Home / 29,988.48-41,397.12-20,605.44

Finding the Fourth Proportional to 29,988.48, 41,397.12 and 20,605.44

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Solution

The fourth proportional to 29,988.48, 41,397.12 and 20,605.44 is: 28,444.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,988.48 : 41,397.12 = 20,605.44 : x
  2. Step 2: Convert to fraction form
    29,988.48/41,397.12 = 20,605.44/x
  3. Step 3: Cross multiply
    29,988.48x = 41,397.12 × 20,605.44
  4. Step 4: Simplify right side
    29,988.48x = 853,005,872.33
  5. Step 5: Solve for x
    x = 853,005,872.33/29,988.48
  6. Step 6: Final answer
    x = 28,444.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.