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Finding the Fourth Proportional to 39,590.77, 59,375.77 and 14,637.95

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Solution

The fourth proportional to 39,590.77, 59,375.77 and 14,637.95 is: 21,953.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,590.77 : 59,375.77 = 14,637.95 : x
  2. Step 2: Convert to fraction form
    39,590.77/59,375.77 = 14,637.95/x
  3. Step 3: Cross multiply
    39,590.77x = 59,375.77 × 14,637.95
  4. Step 4: Simplify right side
    39,590.77x = 869,139,552.47
  5. Step 5: Solve for x
    x = 869,139,552.47/39,590.77
  6. Step 6: Final answer
    x = 21,953.09

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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.