Home / 84,279.90-126,402.74-30,953.55

Finding the Fourth Proportional to 84,279.90, 126,402.74 and 30,953.55

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Solution

The fourth proportional to 84,279.90, 126,402.74 and 30,953.55 is: 46,424.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,279.90 : 126,402.74 = 30,953.55 : x
  2. Step 2: Convert to fraction form
    84,279.90/126,402.74 = 30,953.55/x
  3. Step 3: Cross multiply
    84,279.90x = 126,402.74 × 30,953.55
  4. Step 4: Simplify right side
    84,279.90x = 3,912,613,532.73
  5. Step 5: Solve for x
    x = 3,912,613,532.73/84,279.90
  6. Step 6: Final answer
    x = 46,424.04

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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.