Home / 45,387.28-62,635.92-27,485.68

Finding the Fourth Proportional to 45,387.28, 62,635.92 and 27,485.68

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Solution

The fourth proportional to 45,387.28, 62,635.92 and 27,485.68 is: 37,931.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,387.28 : 62,635.92 = 27,485.68 : x
  2. Step 2: Convert to fraction form
    45,387.28/62,635.92 = 27,485.68/x
  3. Step 3: Cross multiply
    45,387.28x = 62,635.92 × 27,485.68
  4. Step 4: Simplify right side
    45,387.28x = 1,721,590,853.63
  5. Step 5: Solve for x
    x = 1,721,590,853.63/45,387.28
  6. Step 6: Final answer
    x = 37,931.13

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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.