Home / 39,660.90-59,488.26-14,689.20

Finding the Fourth Proportional to 39,660.90, 59,488.26 and 14,689.20

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Solution

The fourth proportional to 39,660.90, 59,488.26 and 14,689.20 is: 22,032.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,660.90 : 59,488.26 = 14,689.20 : x
  2. Step 2: Convert to fraction form
    39,660.90/59,488.26 = 14,689.20/x
  3. Step 3: Cross multiply
    39,660.90x = 59,488.26 × 14,689.20
  4. Step 4: Simplify right side
    39,660.90x = 873,834,948.79
  5. Step 5: Solve for x
    x = 873,834,948.79/39,660.90
  6. Step 6: Final answer
    x = 22,032.66

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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.