Home / 39,631.28-59,444.68-11,170.08

Finding the Fourth Proportional to 39,631.28, 59,444.68 and 11,170.08

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Solution

The fourth proportional to 39,631.28, 59,444.68 and 11,170.08 is: 16,754.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,631.28 : 59,444.68 = 11,170.08 : x
  2. Step 2: Convert to fraction form
    39,631.28/59,444.68 = 11,170.08/x
  3. Step 3: Cross multiply
    39,631.28x = 59,444.68 × 11,170.08
  4. Step 4: Simplify right side
    39,631.28x = 664,001,831.17
  5. Step 5: Solve for x
    x = 664,001,831.17/39,631.28
  6. Step 6: Final answer
    x = 16,754.49

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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.