Home / 53,282.11-79,921.27-13,301.32

Finding the Fourth Proportional to 53,282.11, 79,921.27 and 13,301.32

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Solution

The fourth proportional to 53,282.11, 79,921.27 and 13,301.32 is: 19,951.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,282.11 : 79,921.27 = 13,301.32 : x
  2. Step 2: Convert to fraction form
    53,282.11/79,921.27 = 13,301.32/x
  3. Step 3: Cross multiply
    53,282.11x = 79,921.27 × 13,301.32
  4. Step 4: Simplify right side
    53,282.11x = 1,063,058,387.08
  5. Step 5: Solve for x
    x = 1,063,058,387.08/53,282.11
  6. Step 6: Final answer
    x = 19,951.51

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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.