Home / 39,439.64-59,144.87-11,350.21

Finding the Fourth Proportional to 39,439.64, 59,144.87 and 11,350.21

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Solution

The fourth proportional to 39,439.64, 59,144.87 and 11,350.21 is: 17,021.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,439.64 : 59,144.87 = 11,350.21 : x
  2. Step 2: Convert to fraction form
    39,439.64/59,144.87 = 11,350.21/x
  3. Step 3: Cross multiply
    39,439.64x = 59,144.87 × 11,350.21
  4. Step 4: Simplify right side
    39,439.64x = 671,306,652.30
  5. Step 5: Solve for x
    x = 671,306,652.30/39,439.64
  6. Step 6: Final answer
    x = 17,021.11

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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.