Home / 30,527.84-42,130.36-17,099.91

Finding the Fourth Proportional to 30,527.84, 42,130.36 and 17,099.91

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Solution

The fourth proportional to 30,527.84, 42,130.36 and 17,099.91 is: 23,598.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,527.84 : 42,130.36 = 17,099.91 : x
  2. Step 2: Convert to fraction form
    30,527.84/42,130.36 = 17,099.91/x
  3. Step 3: Cross multiply
    30,527.84x = 42,130.36 × 17,099.91
  4. Step 4: Simplify right side
    30,527.84x = 720,425,278.77
  5. Step 5: Solve for x
    x = 720,425,278.77/30,527.84
  6. Step 6: Final answer
    x = 23,598.96

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.