Home / 47,068.17-70,611.98-13,789.32

Finding the Fourth Proportional to 47,068.17, 70,611.98 and 13,789.32

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Solution

The fourth proportional to 47,068.17, 70,611.98 and 13,789.32 is: 20,686.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,068.17 : 70,611.98 = 13,789.32 : x
  2. Step 2: Convert to fraction form
    47,068.17/70,611.98 = 13,789.32/x
  3. Step 3: Cross multiply
    47,068.17x = 70,611.98 × 13,789.32
  4. Step 4: Simplify right side
    47,068.17x = 973,691,119.11
  5. Step 5: Solve for x
    x = 973,691,119.11/47,068.17
  6. Step 6: Final answer
    x = 20,686.83

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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.