Home / 53,850.60-74,314.80-29,979.18

Finding the Fourth Proportional to 53,850.60, 74,314.80 and 29,979.18

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Solution

The fourth proportional to 53,850.60, 74,314.80 and 29,979.18 is: 41,371.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,850.60 : 74,314.80 = 29,979.18 : x
  2. Step 2: Convert to fraction form
    53,850.60/74,314.80 = 29,979.18/x
  3. Step 3: Cross multiply
    53,850.60x = 74,314.80 × 29,979.18
  4. Step 4: Simplify right side
    53,850.60x = 2,227,896,765.86
  5. Step 5: Solve for x
    x = 2,227,896,765.86/53,850.60
  6. Step 6: Final answer
    x = 41,371.81

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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.