Home / 38,780.61-58,121.25-33,762.53

Finding the Fourth Proportional to 38,780.61, 58,121.25 and 33,762.53

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Solution

The fourth proportional to 38,780.61, 58,121.25 and 33,762.53 is: 50,600.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,780.61 : 58,121.25 = 33,762.53 : x
  2. Step 2: Convert to fraction form
    38,780.61/58,121.25 = 33,762.53/x
  3. Step 3: Cross multiply
    38,780.61x = 58,121.25 × 33,762.53
  4. Step 4: Simplify right side
    38,780.61x = 1,962,320,156.16
  5. Step 5: Solve for x
    x = 1,962,320,156.16/38,780.61
  6. Step 6: Final answer
    x = 50,600.55

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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.