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Finding the Fourth Proportional to 40,357.52, 60,406.86 and 21,590.60

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Solution

The fourth proportional to 40,357.52, 60,406.86 and 21,590.60 is: 32,316.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,357.52 : 60,406.86 = 21,590.60 : x
  2. Step 2: Convert to fraction form
    40,357.52/60,406.86 = 21,590.60/x
  3. Step 3: Cross multiply
    40,357.52x = 60,406.86 × 21,590.60
  4. Step 4: Simplify right side
    40,357.52x = 1,304,220,351.52
  5. Step 5: Solve for x
    x = 1,304,220,351.52/40,357.52
  6. Step 6: Final answer
    x = 32,316.66

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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.