Home / 39,900.74-59,853.16-10,318.83

Finding the Fourth Proportional to 39,900.74, 59,853.16 and 10,318.83

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Solution

The fourth proportional to 39,900.74, 59,853.16 and 10,318.83 is: 15,478.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,900.74 : 59,853.16 = 10,318.83 : x
  2. Step 2: Convert to fraction form
    39,900.74/59,853.16 = 10,318.83/x
  3. Step 3: Cross multiply
    39,900.74x = 59,853.16 × 10,318.83
  4. Step 4: Simplify right side
    39,900.74x = 617,614,583.00
  5. Step 5: Solve for x
    x = 617,614,583.00/39,900.74
  6. Step 6: Final answer
    x = 15,478.78

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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.