Home / 47,723.10-71,657.55-36,642.30

Finding the Fourth Proportional to 47,723.10, 71,657.55 and 36,642.30

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Solution

The fourth proportional to 47,723.10, 71,657.55 and 36,642.30 is: 55,019.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,723.10 : 71,657.55 = 36,642.30 : x
  2. Step 2: Convert to fraction form
    47,723.10/71,657.55 = 36,642.30/x
  3. Step 3: Cross multiply
    47,723.10x = 71,657.55 × 36,642.30
  4. Step 4: Simplify right side
    47,723.10x = 2,625,697,444.37
  5. Step 5: Solve for x
    x = 2,625,697,444.37/47,723.10
  6. Step 6: Final answer
    x = 55,019.42

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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.