Home / 40,781.72-56,298.55-27,348.07

Finding the Fourth Proportional to 40,781.72, 56,298.55 and 27,348.07

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Solution

The fourth proportional to 40,781.72, 56,298.55 and 27,348.07 is: 37,753.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,781.72 : 56,298.55 = 27,348.07 : x
  2. Step 2: Convert to fraction form
    40,781.72/56,298.55 = 27,348.07/x
  3. Step 3: Cross multiply
    40,781.72x = 56,298.55 × 27,348.07
  4. Step 4: Simplify right side
    40,781.72x = 1,539,656,404.81
  5. Step 5: Solve for x
    x = 1,539,656,404.81/40,781.72
  6. Step 6: Final answer
    x = 37,753.60

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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.