Home / 39,686.90-59,532.63-14,391.92

Finding the Fourth Proportional to 39,686.90, 59,532.63 and 14,391.92

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Solution

The fourth proportional to 39,686.90, 59,532.63 and 14,391.92 is: 21,588.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,686.90 : 59,532.63 = 14,391.92 : x
  2. Step 2: Convert to fraction form
    39,686.90/59,532.63 = 14,391.92/x
  3. Step 3: Cross multiply
    39,686.90x = 59,532.63 × 14,391.92
  4. Step 4: Simplify right side
    39,686.90x = 856,788,848.35
  5. Step 5: Solve for x
    x = 856,788,848.35/39,686.90
  6. Step 6: Final answer
    x = 21,588.71

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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.