Home / 34,357.32-47,392.74-21,760.20

Finding the Fourth Proportional to 34,357.32, 47,392.74 and 21,760.20

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Solution

The fourth proportional to 34,357.32, 47,392.74 and 21,760.20 is: 30,016.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,357.32 : 47,392.74 = 21,760.20 : x
  2. Step 2: Convert to fraction form
    34,357.32/47,392.74 = 21,760.20/x
  3. Step 3: Cross multiply
    34,357.32x = 47,392.74 × 21,760.20
  4. Step 4: Simplify right side
    34,357.32x = 1,031,275,500.95
  5. Step 5: Solve for x
    x = 1,031,275,500.95/34,357.32
  6. Step 6: Final answer
    x = 30,016.18

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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.