Home / 53,679.60-74,077.20-29,806.20

Finding the Fourth Proportional to 53,679.60, 74,077.20 and 29,806.20

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Solution

The fourth proportional to 53,679.60, 74,077.20 and 29,806.20 is: 41,132.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,679.60 : 74,077.20 = 29,806.20 : x
  2. Step 2: Convert to fraction form
    53,679.60/74,077.20 = 29,806.20/x
  3. Step 3: Cross multiply
    53,679.60x = 74,077.20 × 29,806.20
  4. Step 4: Simplify right side
    53,679.60x = 2,207,959,838.64
  5. Step 5: Solve for x
    x = 2,207,959,838.64/53,679.60
  6. Step 6: Final answer
    x = 41,132.20

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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.