Home / 36,689.76-55,058.40-13,314.24

Finding the Fourth Proportional to 36,689.76, 55,058.40 and 13,314.24

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Solution

The fourth proportional to 36,689.76, 55,058.40 and 13,314.24 is: 19,979.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,689.76 : 55,058.40 = 13,314.24 : x
  2. Step 2: Convert to fraction form
    36,689.76/55,058.40 = 13,314.24/x
  3. Step 3: Cross multiply
    36,689.76x = 55,058.40 × 13,314.24
  4. Step 4: Simplify right side
    36,689.76x = 733,060,751.62
  5. Step 5: Solve for x
    x = 733,060,751.62/36,689.76
  6. Step 6: Final answer
    x = 19,979.98

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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.