Home / 52,560.20-78,840.30-37,872.20

Finding the Fourth Proportional to 52,560.20, 78,840.30 and 37,872.20

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Solution

The fourth proportional to 52,560.20, 78,840.30 and 37,872.20 is: 56,808.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,560.20 : 78,840.30 = 37,872.20 : x
  2. Step 2: Convert to fraction form
    52,560.20/78,840.30 = 37,872.20/x
  3. Step 3: Cross multiply
    52,560.20x = 78,840.30 × 37,872.20
  4. Step 4: Simplify right side
    52,560.20x = 2,985,855,609.66
  5. Step 5: Solve for x
    x = 2,985,855,609.66/52,560.20
  6. Step 6: Final answer
    x = 56,808.30

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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.