Home / 71,278.34-98,364.36-38,572.74

Finding the Fourth Proportional to 71,278.34, 98,364.36 and 38,572.74

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Solution

The fourth proportional to 71,278.34, 98,364.36 and 38,572.74 is: 53,230.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,278.34 : 98,364.36 = 38,572.74 : x
  2. Step 2: Convert to fraction form
    71,278.34/98,364.36 = 38,572.74/x
  3. Step 3: Cross multiply
    71,278.34x = 98,364.36 × 38,572.74
  4. Step 4: Simplify right side
    71,278.34x = 3,794,182,883.55
  5. Step 5: Solve for x
    x = 3,794,182,883.55/71,278.34
  6. Step 6: Final answer
    x = 53,230.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.