Home / 38,311.65-52,868.36-21,314.57

Finding the Fourth Proportional to 38,311.65, 52,868.36 and 21,314.57

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Solution

The fourth proportional to 38,311.65, 52,868.36 and 21,314.57 is: 29,413.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,311.65 : 52,868.36 = 21,314.57 : x
  2. Step 2: Convert to fraction form
    38,311.65/52,868.36 = 21,314.57/x
  3. Step 3: Cross multiply
    38,311.65x = 52,868.36 × 21,314.57
  4. Step 4: Simplify right side
    38,311.65x = 1,126,866,148.95
  5. Step 5: Solve for x
    x = 1,126,866,148.95/38,311.65
  6. Step 6: Final answer
    x = 29,413.15

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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.