Home / 53,977.10-74,487.33-31,318.16

Finding the Fourth Proportional to 53,977.10, 74,487.33 and 31,318.16

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Solution

The fourth proportional to 53,977.10, 74,487.33 and 31,318.16 is: 43,218.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,977.10 : 74,487.33 = 31,318.16 : x
  2. Step 2: Convert to fraction form
    53,977.10/74,487.33 = 31,318.16/x
  3. Step 3: Cross multiply
    53,977.10x = 74,487.33 × 31,318.16
  4. Step 4: Simplify right side
    53,977.10x = 2,332,805,746.48
  5. Step 5: Solve for x
    x = 2,332,805,746.48/53,977.10
  6. Step 6: Final answer
    x = 43,218.44

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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.