Home / 47,013.91-70,539.24-20,700.20

Finding the Fourth Proportional to 47,013.91, 70,539.24 and 20,700.20

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Solution

The fourth proportional to 47,013.91, 70,539.24 and 20,700.20 is: 31,058.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,013.91 : 70,539.24 = 20,700.20 : x
  2. Step 2: Convert to fraction form
    47,013.91/70,539.24 = 20,700.20/x
  3. Step 3: Cross multiply
    47,013.91x = 70,539.24 × 20,700.20
  4. Step 4: Simplify right side
    47,013.91x = 1,460,176,375.85
  5. Step 5: Solve for x
    x = 1,460,176,375.85/47,013.91
  6. Step 6: Final answer
    x = 31,058.39

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1.5x scale

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.