Home / 31,553.04-47,338.20-10,778.16

Finding the Fourth Proportional to 31,553.04, 47,338.20 and 10,778.16

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Solution

The fourth proportional to 31,553.04, 47,338.20 and 10,778.16 is: 16,170.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,553.04 : 47,338.20 = 10,778.16 : x
  2. Step 2: Convert to fraction form
    31,553.04/47,338.20 = 10,778.16/x
  3. Step 3: Cross multiply
    31,553.04x = 47,338.20 × 10,778.16
  4. Step 4: Simplify right side
    31,553.04x = 510,218,693.71
  5. Step 5: Solve for x
    x = 510,218,693.71/31,553.04
  6. Step 6: Final answer
    x = 16,170.19

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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.