Home / 38,747.52-58,127.69-13,782.31

Finding the Fourth Proportional to 38,747.52, 58,127.69 and 13,782.31

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Solution

The fourth proportional to 38,747.52, 58,127.69 and 13,782.31 is: 20,675.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,747.52 : 58,127.69 = 13,782.31 : x
  2. Step 2: Convert to fraction form
    38,747.52/58,127.69 = 13,782.31/x
  3. Step 3: Cross multiply
    38,747.52x = 58,127.69 × 13,782.31
  4. Step 4: Simplify right side
    38,747.52x = 801,133,732.30
  5. Step 5: Solve for x
    x = 801,133,732.30/38,747.52
  6. Step 6: Final answer
    x = 20,675.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.