Home / 34,531.06-47,653.66-19,217.76

Finding the Fourth Proportional to 34,531.06, 47,653.66 and 19,217.76

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Solution

The fourth proportional to 34,531.06, 47,653.66 and 19,217.76 is: 26,520.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,531.06 : 47,653.66 = 19,217.76 : x
  2. Step 2: Convert to fraction form
    34,531.06/47,653.66 = 19,217.76/x
  3. Step 3: Cross multiply
    34,531.06x = 47,653.66 × 19,217.76
  4. Step 4: Simplify right side
    34,531.06x = 915,796,601.00
  5. Step 5: Solve for x
    x = 915,796,601.00/34,531.06
  6. Step 6: Final answer
    x = 26,520.95

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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.