Home / 64,167.56-96,171.16-30,878.70

Finding the Fourth Proportional to 64,167.56, 96,171.16 and 30,878.70

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Solution

The fourth proportional to 64,167.56, 96,171.16 and 30,878.70 is: 46,279.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,167.56 : 96,171.16 = 30,878.70 : x
  2. Step 2: Convert to fraction form
    64,167.56/96,171.16 = 30,878.70/x
  3. Step 3: Cross multiply
    64,167.56x = 96,171.16 × 30,878.70
  4. Step 4: Simplify right side
    64,167.56x = 2,969,640,398.29
  5. Step 5: Solve for x
    x = 2,969,640,398.29/64,167.56
  6. Step 6: Final answer
    x = 46,279.47

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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.