Home / 40,572.34-55,987.82-22,663.78

Finding the Fourth Proportional to 40,572.34, 55,987.82 and 22,663.78

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Solution

The fourth proportional to 40,572.34, 55,987.82 and 22,663.78 is: 31,274.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,572.34 : 55,987.82 = 22,663.78 : x
  2. Step 2: Convert to fraction form
    40,572.34/55,987.82 = 22,663.78/x
  3. Step 3: Cross multiply
    40,572.34x = 55,987.82 × 22,663.78
  4. Step 4: Simplify right side
    40,572.34x = 1,268,895,635.16
  5. Step 5: Solve for x
    x = 1,268,895,635.16/40,572.34
  6. Step 6: Final answer
    x = 31,274.89

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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.