Home / 38,237.46-52,765.90-21,242.80

Finding the Fourth Proportional to 38,237.46, 52,765.90 and 21,242.80

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Solution

The fourth proportional to 38,237.46, 52,765.90 and 21,242.80 is: 29,314.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,237.46 : 52,765.90 = 21,242.80 : x
  2. Step 2: Convert to fraction form
    38,237.46/52,765.90 = 21,242.80/x
  3. Step 3: Cross multiply
    38,237.46x = 52,765.90 × 21,242.80
  4. Step 4: Simplify right side
    38,237.46x = 1,120,895,460.52
  5. Step 5: Solve for x
    x = 1,120,895,460.52/38,237.46
  6. Step 6: Final answer
    x = 29,314.07

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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.