Home / 53,857.53-74,312.15-31,195.17

Finding the Fourth Proportional to 53,857.53, 74,312.15 and 31,195.17

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Solution

The fourth proportional to 53,857.53, 74,312.15 and 31,195.17 is: 43,042.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,857.53 : 74,312.15 = 31,195.17 : x
  2. Step 2: Convert to fraction form
    53,857.53/74,312.15 = 31,195.17/x
  3. Step 3: Cross multiply
    53,857.53x = 74,312.15 × 31,195.17
  4. Step 4: Simplify right side
    53,857.53x = 2,318,179,996.34
  5. Step 5: Solve for x
    x = 2,318,179,996.34/53,857.53
  6. Step 6: Final answer
    x = 43,042.82

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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.