Home / 34,280.32-47,306.71-19,172.92

Finding the Fourth Proportional to 34,280.32, 47,306.71 and 19,172.92

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Solution

The fourth proportional to 34,280.32, 47,306.71 and 19,172.92 is: 26,458.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,280.32 : 47,306.71 = 19,172.92 : x
  2. Step 2: Convert to fraction form
    34,280.32/47,306.71 = 19,172.92/x
  3. Step 3: Cross multiply
    34,280.32x = 47,306.71 × 19,172.92
  4. Step 4: Simplify right side
    34,280.32x = 907,007,766.29
  5. Step 5: Solve for x
    x = 907,007,766.29/34,280.32
  6. Step 6: Final answer
    x = 26,458.56

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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.