Home / 38,237.50-52,776.18-21,247.57

Finding the Fourth Proportional to 38,237.50, 52,776.18 and 21,247.57

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Solution

The fourth proportional to 38,237.50, 52,776.18 and 21,247.57 is: 29,326.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,237.50 : 52,776.18 = 21,247.57 : x
  2. Step 2: Convert to fraction form
    38,237.50/52,776.18 = 21,247.57/x
  3. Step 3: Cross multiply
    38,237.50x = 52,776.18 × 21,247.57
  4. Step 4: Simplify right side
    38,237.50x = 1,121,365,472.64
  5. Step 5: Solve for x
    x = 1,121,365,472.64/38,237.50
  6. Step 6: Final answer
    x = 29,326.33

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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.