Home / 42,284.60-63,340.78-20,030.52

Finding the Fourth Proportional to 42,284.60, 63,340.78 and 20,030.52

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Solution

The fourth proportional to 42,284.60, 63,340.78 and 20,030.52 is: 30,004.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,284.60 : 63,340.78 = 20,030.52 : x
  2. Step 2: Convert to fraction form
    42,284.60/63,340.78 = 20,030.52/x
  3. Step 3: Cross multiply
    42,284.60x = 63,340.78 × 20,030.52
  4. Step 4: Simplify right side
    42,284.60x = 1,268,748,760.61
  5. Step 5: Solve for x
    x = 1,268,748,760.61/42,284.60
  6. Step 6: Final answer
    x = 30,004.98

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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.