Home / 34,680.06-51,981.93-13,613.76

Finding the Fourth Proportional to 34,680.06, 51,981.93 and 13,613.76

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Solution

The fourth proportional to 34,680.06, 51,981.93 and 13,613.76 is: 20,405.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,680.06 : 51,981.93 = 13,613.76 : x
  2. Step 2: Convert to fraction form
    34,680.06/51,981.93 = 13,613.76/x
  3. Step 3: Cross multiply
    34,680.06x = 51,981.93 × 13,613.76
  4. Step 4: Simplify right side
    34,680.06x = 707,669,519.36
  5. Step 5: Solve for x
    x = 707,669,519.36/34,680.06
  6. Step 6: Final answer
    x = 20,405.66

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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.