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Finding the Fourth Proportional to 71,925.42, 107,888.68 and 22,006.42

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Solution

The fourth proportional to 71,925.42, 107,888.68 and 22,006.42 is: 33,009.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,925.42 : 107,888.68 = 22,006.42 : x
  2. Step 2: Convert to fraction form
    71,925.42/107,888.68 = 22,006.42/x
  3. Step 3: Cross multiply
    71,925.42x = 107,888.68 × 22,006.42
  4. Step 4: Simplify right side
    71,925.42x = 2,374,243,605.33
  5. Step 5: Solve for x
    x = 2,374,243,605.33/71,925.42
  6. Step 6: Final answer
    x = 33,009.80

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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.