Home / 55,931.72-77,185.20-31,737.16

Finding the Fourth Proportional to 55,931.72, 77,185.20 and 31,737.16

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Solution

The fourth proportional to 55,931.72, 77,185.20 and 31,737.16 is: 43,796.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,931.72 : 77,185.20 = 31,737.16 : x
  2. Step 2: Convert to fraction form
    55,931.72/77,185.20 = 31,737.16/x
  3. Step 3: Cross multiply
    55,931.72x = 77,185.20 × 31,737.16
  4. Step 4: Simplify right side
    55,931.72x = 2,449,639,042.03
  5. Step 5: Solve for x
    x = 2,449,639,042.03/55,931.72
  6. Step 6: Final answer
    x = 43,796.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.