Home / 45,038.04-67,565.22-13,866

Finding the Fourth Proportional to 45,038.04, 67,565.22 and 13,866

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Solution

The fourth proportional to 45,038.04, 67,565.22 and 13,866 is: 20,801.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,038.04 : 67,565.22 = 13,866 : x
  2. Step 2: Convert to fraction form
    45,038.04/67,565.22 = 13,866/x
  3. Step 3: Cross multiply
    45,038.04x = 67,565.22 × 13,866
  4. Step 4: Simplify right side
    45,038.04x = 936,859,340.52
  5. Step 5: Solve for x
    x = 936,859,340.52/45,038.04
  6. Step 6: Final answer
    x = 20,801.51

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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.