Home / 40,290.90-60,403.19-17,785.59

Finding the Fourth Proportional to 40,290.90, 60,403.19 and 17,785.59

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Solution

The fourth proportional to 40,290.90, 60,403.19 and 17,785.59 is: 26,663.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,290.90 : 60,403.19 = 17,785.59 : x
  2. Step 2: Convert to fraction form
    40,290.90/60,403.19 = 17,785.59/x
  3. Step 3: Cross multiply
    40,290.90x = 60,403.19 × 17,785.59
  4. Step 4: Simplify right side
    40,290.90x = 1,074,306,283.10
  5. Step 5: Solve for x
    x = 1,074,306,283.10/40,290.90
  6. Step 6: Final answer
    x = 26,663.74

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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.