Home / 42,512.63-63,741.61-20,325.52

Finding the Fourth Proportional to 42,512.63, 63,741.61 and 20,325.52

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Solution

The fourth proportional to 42,512.63, 63,741.61 and 20,325.52 is: 30,475.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,512.63 : 63,741.61 = 20,325.52 : x
  2. Step 2: Convert to fraction form
    42,512.63/63,741.61 = 20,325.52/x
  3. Step 3: Cross multiply
    42,512.63x = 63,741.61 × 20,325.52
  4. Step 4: Simplify right side
    42,512.63x = 1,295,580,948.55
  5. Step 5: Solve for x
    x = 1,295,580,948.55/42,512.63
  6. Step 6: Final answer
    x = 30,475.20

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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.