Home / 42,287.60-63,345.28-20,033.52

Finding the Fourth Proportional to 42,287.60, 63,345.28 and 20,033.52

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Solution

The fourth proportional to 42,287.60, 63,345.28 and 20,033.52 is: 30,009.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,287.60 : 63,345.28 = 20,033.52 : x
  2. Step 2: Convert to fraction form
    42,287.60/63,345.28 = 20,033.52/x
  3. Step 3: Cross multiply
    42,287.60x = 63,345.28 × 20,033.52
  4. Step 4: Simplify right side
    42,287.60x = 1,269,028,933.79
  5. Step 5: Solve for x
    x = 1,269,028,933.79/42,287.60
  6. Step 6: Final answer
    x = 30,009.48

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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.