Home / 47,570.40-71,355.36-12,031.72

Finding the Fourth Proportional to 47,570.40, 71,355.36 and 12,031.72

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Solution

The fourth proportional to 47,570.40, 71,355.36 and 12,031.72 is: 18,047.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,570.40 : 71,355.36 = 12,031.72 : x
  2. Step 2: Convert to fraction form
    47,570.40/71,355.36 = 12,031.72/x
  3. Step 3: Cross multiply
    47,570.40x = 71,355.36 × 12,031.72
  4. Step 4: Simplify right side
    47,570.40x = 858,527,712.02
  5. Step 5: Solve for x
    x = 858,527,712.02/47,570.40
  6. Step 6: Final answer
    x = 18,047.52

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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.