Home / 42,354.72-63,537.92-14,282.79

Finding the Fourth Proportional to 42,354.72, 63,537.92 and 14,282.79

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Solution

The fourth proportional to 42,354.72, 63,537.92 and 14,282.79 is: 21,426.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,354.72 : 63,537.92 = 14,282.79 : x
  2. Step 2: Convert to fraction form
    42,354.72/63,537.92 = 14,282.79/x
  3. Step 3: Cross multiply
    42,354.72x = 63,537.92 × 14,282.79
  4. Step 4: Simplify right side
    42,354.72x = 907,498,768.40
  5. Step 5: Solve for x
    x = 907,498,768.40/42,354.72
  6. Step 6: Final answer
    x = 21,426.15

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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.