Home / 52,410.20-78,615.30-42,042.20

Finding the Fourth Proportional to 52,410.20, 78,615.30 and 42,042.20

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Solution

The fourth proportional to 52,410.20, 78,615.30 and 42,042.20 is: 63,063.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,410.20 : 78,615.30 = 42,042.20 : x
  2. Step 2: Convert to fraction form
    52,410.20/78,615.30 = 42,042.20/x
  3. Step 3: Cross multiply
    52,410.20x = 78,615.30 × 42,042.20
  4. Step 4: Simplify right side
    52,410.20x = 3,305,160,165.66
  5. Step 5: Solve for x
    x = 3,305,160,165.66/52,410.20
  6. Step 6: Final answer
    x = 63,063.30

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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.