Home / 56,000.20-84,000.30-47,543.80

Finding the Fourth Proportional to 56,000.20, 84,000.30 and 47,543.80

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Solution

The fourth proportional to 56,000.20, 84,000.30 and 47,543.80 is: 71,315.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,000.20 : 84,000.30 = 47,543.80 : x
  2. Step 2: Convert to fraction form
    56,000.20/84,000.30 = 47,543.80/x
  3. Step 3: Cross multiply
    56,000.20x = 84,000.30 × 47,543.80
  4. Step 4: Simplify right side
    56,000.20x = 3,993,693,463.14
  5. Step 5: Solve for x
    x = 3,993,693,463.14/56,000.20
  6. Step 6: Final answer
    x = 71,315.70

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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.