Home / 38,748.18-58,115.43-10,661.45

Finding the Fourth Proportional to 38,748.18, 58,115.43 and 10,661.45

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Solution

The fourth proportional to 38,748.18, 58,115.43 and 10,661.45 is: 15,990.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,748.18 : 58,115.43 = 10,661.45 : x
  2. Step 2: Convert to fraction form
    38,748.18/58,115.43 = 10,661.45/x
  3. Step 3: Cross multiply
    38,748.18x = 58,115.43 × 10,661.45
  4. Step 4: Simplify right side
    38,748.18x = 619,594,460.60
  5. Step 5: Solve for x
    x = 619,594,460.60/38,748.18
  6. Step 6: Final answer
    x = 15,990.29

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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.