Home / 63,634.40-95,451.60-40,287.20

Finding the Fourth Proportional to 63,634.40, 95,451.60 and 40,287.20

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Solution

The fourth proportional to 63,634.40, 95,451.60 and 40,287.20 is: 60,430.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,634.40 : 95,451.60 = 40,287.20 : x
  2. Step 2: Convert to fraction form
    63,634.40/95,451.60 = 40,287.20/x
  3. Step 3: Cross multiply
    63,634.40x = 95,451.60 × 40,287.20
  4. Step 4: Simplify right side
    63,634.40x = 3,845,477,699.52
  5. Step 5: Solve for x
    x = 3,845,477,699.52/63,634.40
  6. Step 6: Final answer
    x = 60,430.80

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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.