Home / 52,132.48-71,942.40-28,259.20

Finding the Fourth Proportional to 52,132.48, 71,942.40 and 28,259.20

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Solution

The fourth proportional to 52,132.48, 71,942.40 and 28,259.20 is: 38,997.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,132.48 : 71,942.40 = 28,259.20 : x
  2. Step 2: Convert to fraction form
    52,132.48/71,942.40 = 28,259.20/x
  3. Step 3: Cross multiply
    52,132.48x = 71,942.40 × 28,259.20
  4. Step 4: Simplify right side
    52,132.48x = 2,033,034,670.08
  5. Step 5: Solve for x
    x = 2,033,034,670.08/52,132.48
  6. Step 6: Final answer
    x = 38,997.47

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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.