Home / 47,112.60-70,660.26-19,031.16

Finding the Fourth Proportional to 47,112.60, 70,660.26 and 19,031.16

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Solution

The fourth proportional to 47,112.60, 70,660.26 and 19,031.16 is: 28,543.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,112.60 : 70,660.26 = 19,031.16 : x
  2. Step 2: Convert to fraction form
    47,112.60/70,660.26 = 19,031.16/x
  3. Step 3: Cross multiply
    47,112.60x = 70,660.26 × 19,031.16
  4. Step 4: Simplify right side
    47,112.60x = 1,344,746,713.70
  5. Step 5: Solve for x
    x = 1,344,746,713.70/47,112.60
  6. Step 6: Final answer
    x = 28,543.25

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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.