Home / 39,355.59-59,050.83-20,631.16

Finding the Fourth Proportional to 39,355.59, 59,050.83 and 20,631.16

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Solution

The fourth proportional to 39,355.59, 59,050.83 and 20,631.16 is: 30,955.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,355.59 : 59,050.83 = 20,631.16 : x
  2. Step 2: Convert to fraction form
    39,355.59/59,050.83 = 20,631.16/x
  3. Step 3: Cross multiply
    39,355.59x = 59,050.83 × 20,631.16
  4. Step 4: Simplify right side
    39,355.59x = 1,218,287,121.86
  5. Step 5: Solve for x
    x = 1,218,287,121.86/39,355.59
  6. Step 6: Final answer
    x = 30,955.89

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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.