Home / 39,444.92-54,436.18-21,541.58

Finding the Fourth Proportional to 39,444.92, 54,436.18 and 21,541.58

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Solution

The fourth proportional to 39,444.92, 54,436.18 and 21,541.58 is: 29,728.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,444.92 : 54,436.18 = 21,541.58 : x
  2. Step 2: Convert to fraction form
    39,444.92/54,436.18 = 21,541.58/x
  3. Step 3: Cross multiply
    39,444.92x = 54,436.18 × 21,541.58
  4. Step 4: Simplify right side
    39,444.92x = 1,172,641,326.36
  5. Step 5: Solve for x
    x = 1,172,641,326.36/39,444.92
  6. Step 6: Final answer
    x = 29,728.58

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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.