Home / 30,956.84-42,723.10-17,530.46

Finding the Fourth Proportional to 30,956.84, 42,723.10 and 17,530.46

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Solution

The fourth proportional to 30,956.84, 42,723.10 and 17,530.46 is: 24,193.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,956.84 : 42,723.10 = 17,530.46 : x
  2. Step 2: Convert to fraction form
    30,956.84/42,723.10 = 17,530.46/x
  3. Step 3: Cross multiply
    30,956.84x = 42,723.10 × 17,530.46
  4. Step 4: Simplify right side
    30,956.84x = 748,955,595.63
  5. Step 5: Solve for x
    x = 748,955,595.63/30,956.84
  6. Step 6: Final answer
    x = 24,193.54

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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.