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Finding the Fourth Proportional to 40,479.66, 60,605.01 and 21,460.97

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Solution

The fourth proportional to 40,479.66, 60,605.01 and 21,460.97 is: 32,130.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,479.66 : 60,605.01 = 21,460.97 : x
  2. Step 2: Convert to fraction form
    40,479.66/60,605.01 = 21,460.97/x
  3. Step 3: Cross multiply
    40,479.66x = 60,605.01 × 21,460.97
  4. Step 4: Simplify right side
    40,479.66x = 1,300,642,452.97
  5. Step 5: Solve for x
    x = 1,300,642,452.97/40,479.66
  6. Step 6: Final answer
    x = 32,130.77

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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.