Home / 54,881.01-75,737.28-31,007.18

Finding the Fourth Proportional to 54,881.01, 75,737.28 and 31,007.18

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Solution

The fourth proportional to 54,881.01, 75,737.28 and 31,007.18 is: 42,790.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,881.01 : 75,737.28 = 31,007.18 : x
  2. Step 2: Convert to fraction form
    54,881.01/75,737.28 = 31,007.18/x
  3. Step 3: Cross multiply
    54,881.01x = 75,737.28 × 31,007.18
  4. Step 4: Simplify right side
    54,881.01x = 2,348,399,094.98
  5. Step 5: Solve for x
    x = 2,348,399,094.98/54,881.01
  6. Step 6: Final answer
    x = 42,790.74

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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.