Home / 38,979.28-58,460.28-15,599.44

Finding the Fourth Proportional to 38,979.28, 58,460.28 and 15,599.44

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Solution

The fourth proportional to 38,979.28, 58,460.28 and 15,599.44 is: 23,395.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,979.28 : 58,460.28 = 15,599.44 : x
  2. Step 2: Convert to fraction form
    38,979.28/58,460.28 = 15,599.44/x
  3. Step 3: Cross multiply
    38,979.28x = 58,460.28 × 15,599.44
  4. Step 4: Simplify right side
    38,979.28x = 911,947,630.24
  5. Step 5: Solve for x
    x = 911,947,630.24/38,979.28
  6. Step 6: Final answer
    x = 23,395.70

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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.