Home / 47,007.95-70,514.20-15,415.21

Finding the Fourth Proportional to 47,007.95, 70,514.20 and 15,415.21

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Solution

The fourth proportional to 47,007.95, 70,514.20 and 15,415.21 is: 23,123.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,007.95 : 70,514.20 = 15,415.21 : x
  2. Step 2: Convert to fraction form
    47,007.95/70,514.20 = 15,415.21/x
  3. Step 3: Cross multiply
    47,007.95x = 70,514.20 × 15,415.21
  4. Step 4: Simplify right side
    47,007.95x = 1,086,991,221.68
  5. Step 5: Solve for x
    x = 1,086,991,221.68/47,007.95
  6. Step 6: Final answer
    x = 23,123.56

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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.