Home / 42,436.80-63,655.20-37,844.10

Finding the Fourth Proportional to 42,436.80, 63,655.20 and 37,844.10

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Solution

The fourth proportional to 42,436.80, 63,655.20 and 37,844.10 is: 56,766.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,436.80 : 63,655.20 = 37,844.10 : x
  2. Step 2: Convert to fraction form
    42,436.80/63,655.20 = 37,844.10/x
  3. Step 3: Cross multiply
    42,436.80x = 63,655.20 × 37,844.10
  4. Step 4: Simplify right side
    42,436.80x = 2,408,973,754.32
  5. Step 5: Solve for x
    x = 2,408,973,754.32/42,436.80
  6. Step 6: Final answer
    x = 56,766.15

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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.