Home / 34,326.76-47,359.92-19,217.20

Finding the Fourth Proportional to 34,326.76, 47,359.92 and 19,217.20

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Solution

The fourth proportional to 34,326.76, 47,359.92 and 19,217.20 is: 26,513.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,326.76 : 47,359.92 = 19,217.20 : x
  2. Step 2: Convert to fraction form
    34,326.76/47,359.92 = 19,217.20/x
  3. Step 3: Cross multiply
    34,326.76x = 47,359.92 × 19,217.20
  4. Step 4: Simplify right side
    34,326.76x = 910,125,054.62
  5. Step 5: Solve for x
    x = 910,125,054.62/34,326.76
  6. Step 6: Final answer
    x = 26,513.57

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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.