Home / 34,280.67-51,436.80-21,124.65

Finding the Fourth Proportional to 34,280.67, 51,436.80 and 21,124.65

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Solution

The fourth proportional to 34,280.67, 51,436.80 and 21,124.65 is: 31,696.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,280.67 : 51,436.80 = 21,124.65 : x
  2. Step 2: Convert to fraction form
    34,280.67/51,436.80 = 21,124.65/x
  3. Step 3: Cross multiply
    34,280.67x = 51,436.80 × 21,124.65
  4. Step 4: Simplify right side
    34,280.67x = 1,086,584,397.12
  5. Step 5: Solve for x
    x = 1,086,584,397.12/34,280.67
  6. Step 6: Final answer
    x = 31,696.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.