Home / 34,290.30-47,320.29-19,182.78

Finding the Fourth Proportional to 34,290.30, 47,320.29 and 19,182.78

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Solution

The fourth proportional to 34,290.30, 47,320.29 and 19,182.78 is: 26,472.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,290.30 : 47,320.29 = 19,182.78 : x
  2. Step 2: Convert to fraction form
    34,290.30/47,320.29 = 19,182.78/x
  3. Step 3: Cross multiply
    34,290.30x = 47,320.29 × 19,182.78
  4. Step 4: Simplify right side
    34,290.30x = 907,734,712.61
  5. Step 5: Solve for x
    x = 907,734,712.61/34,290.30
  6. Step 6: Final answer
    x = 26,472.06

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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.