Home / 51,344.28-70,848.11-28,680.39

Finding the Fourth Proportional to 51,344.28, 70,848.11 and 28,680.39

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Solution

The fourth proportional to 51,344.28, 70,848.11 and 28,680.39 is: 39,575.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,344.28 : 70,848.11 = 28,680.39 : x
  2. Step 2: Convert to fraction form
    51,344.28/70,848.11 = 28,680.39/x
  3. Step 3: Cross multiply
    51,344.28x = 70,848.11 × 28,680.39
  4. Step 4: Simplify right side
    51,344.28x = 2,031,951,497.26
  5. Step 5: Solve for x
    x = 2,031,951,497.26/51,344.28
  6. Step 6: Final answer
    x = 39,575.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.