Home / 58,045.25-87,067.88-38,319.20

Finding the Fourth Proportional to 58,045.25, 87,067.88 and 38,319.20

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Solution

The fourth proportional to 58,045.25, 87,067.88 and 38,319.20 is: 57,478.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,045.25 : 87,067.88 = 38,319.20 : x
  2. Step 2: Convert to fraction form
    58,045.25/87,067.88 = 38,319.20/x
  3. Step 3: Cross multiply
    58,045.25x = 87,067.88 × 38,319.20
  4. Step 4: Simplify right side
    58,045.25x = 3,336,370,880.36
  5. Step 5: Solve for x
    x = 3,336,370,880.36/58,045.25
  6. Step 6: Final answer
    x = 57,478.79

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Similar ratio
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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.