Home / 30,483.70-42,065.55-17,052.64

Finding the Fourth Proportional to 30,483.70, 42,065.55 and 17,052.64

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Solution

The fourth proportional to 30,483.70, 42,065.55 and 17,052.64 is: 23,531.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,483.70 : 42,065.55 = 17,052.64 : x
  2. Step 2: Convert to fraction form
    30,483.70/42,065.55 = 17,052.64/x
  3. Step 3: Cross multiply
    30,483.70x = 42,065.55 × 17,052.64
  4. Step 4: Simplify right side
    30,483.70x = 717,328,575.39
  5. Step 5: Solve for x
    x = 717,328,575.39/30,483.70
  6. Step 6: Final answer
    x = 23,531.55

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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.