Home / 55,615.76-83,214.36-39,008.20

Finding the Fourth Proportional to 55,615.76, 83,214.36 and 39,008.20

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Solution

The fourth proportional to 55,615.76, 83,214.36 and 39,008.20 is: 58,365.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,615.76 : 83,214.36 = 39,008.20 : x
  2. Step 2: Convert to fraction form
    55,615.76/83,214.36 = 39,008.20/x
  3. Step 3: Cross multiply
    55,615.76x = 83,214.36 × 39,008.20
  4. Step 4: Simplify right side
    55,615.76x = 3,246,042,397.75
  5. Step 5: Solve for x
    x = 3,246,042,397.75/55,615.76
  6. Step 6: Final answer
    x = 58,365.51

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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.