Home / 39,432.79-59,157.69-11,352.66

Finding the Fourth Proportional to 39,432.79, 59,157.69 and 11,352.66

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Solution

The fourth proportional to 39,432.79, 59,157.69 and 11,352.66 is: 17,031.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,432.79 : 59,157.69 = 11,352.66 : x
  2. Step 2: Convert to fraction form
    39,432.79/59,157.69 = 11,352.66/x
  3. Step 3: Cross multiply
    39,432.79x = 59,157.69 × 11,352.66
  4. Step 4: Simplify right side
    39,432.79x = 671,597,140.96
  5. Step 5: Solve for x
    x = 671,597,140.96/39,432.79
  6. Step 6: Final answer
    x = 17,031.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.