Home / 38,748.75-58,115.46-10,661.61

Finding the Fourth Proportional to 38,748.75, 58,115.46 and 10,661.61

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Solution

The fourth proportional to 38,748.75, 58,115.46 and 10,661.61 is: 15,990.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,748.75 : 58,115.46 = 10,661.61 : x
  2. Step 2: Convert to fraction form
    38,748.75/58,115.46 = 10,661.61/x
  3. Step 3: Cross multiply
    38,748.75x = 58,115.46 × 10,661.61
  4. Step 4: Simplify right side
    38,748.75x = 619,604,369.49
  5. Step 5: Solve for x
    x = 619,604,369.49/38,748.75
  6. Step 6: Final answer
    x = 15,990.31

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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.