Home / 40,319.60-60,471.50-38,319.26

Finding the Fourth Proportional to 40,319.60, 60,471.50 and 38,319.26

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Solution

The fourth proportional to 40,319.60, 60,471.50 and 38,319.26 is: 57,471.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,319.60 : 60,471.50 = 38,319.26 : x
  2. Step 2: Convert to fraction form
    40,319.60/60,471.50 = 38,319.26/x
  3. Step 3: Cross multiply
    40,319.60x = 60,471.50 × 38,319.26
  4. Step 4: Simplify right side
    40,319.60x = 2,317,222,637.14
  5. Step 5: Solve for x
    x = 2,317,222,637.14/40,319.60
  6. Step 6: Final answer
    x = 57,471.38

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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.