Home / 42,408.30-63,612.45-36,770.70

Finding the Fourth Proportional to 42,408.30, 63,612.45 and 36,770.70

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Solution

The fourth proportional to 42,408.30, 63,612.45 and 36,770.70 is: 55,156.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,408.30 : 63,612.45 = 36,770.70 : x
  2. Step 2: Convert to fraction form
    42,408.30/63,612.45 = 36,770.70/x
  3. Step 3: Cross multiply
    42,408.30x = 63,612.45 × 36,770.70
  4. Step 4: Simplify right side
    42,408.30x = 2,339,074,315.22
  5. Step 5: Solve for x
    x = 2,339,074,315.22/42,408.30
  6. Step 6: Final answer
    x = 55,156.05

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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.