Home / 42,520.20-63,752.94-20,333.10

Finding the Fourth Proportional to 42,520.20, 63,752.94 and 20,333.10

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Solution

The fourth proportional to 42,520.20, 63,752.94 and 20,333.10 is: 30,486.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,520.20 : 63,752.94 = 20,333.10 : x
  2. Step 2: Convert to fraction form
    42,520.20/63,752.94 = 20,333.10/x
  3. Step 3: Cross multiply
    42,520.20x = 63,752.94 × 20,333.10
  4. Step 4: Simplify right side
    42,520.20x = 1,296,294,904.31
  5. Step 5: Solve for x
    x = 1,296,294,904.31/42,520.20
  6. Step 6: Final answer
    x = 30,486.57

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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.