Home / 36,085.13-54,127.76-13,908.95

Finding the Fourth Proportional to 36,085.13, 54,127.76 and 13,908.95

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Solution

The fourth proportional to 36,085.13, 54,127.76 and 13,908.95 is: 20,863.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,085.13 : 54,127.76 = 13,908.95 : x
  2. Step 2: Convert to fraction form
    36,085.13/54,127.76 = 13,908.95/x
  3. Step 3: Cross multiply
    36,085.13x = 54,127.76 × 13,908.95
  4. Step 4: Simplify right side
    36,085.13x = 752,860,307.45
  5. Step 5: Solve for x
    x = 752,860,307.45/36,085.13
  6. Step 6: Final answer
    x = 20,863.45

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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.