Home / 29,700.65-40,971.33-18,366.53

Finding the Fourth Proportional to 29,700.65, 40,971.33 and 18,366.53

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Solution

The fourth proportional to 29,700.65, 40,971.33 and 18,366.53 is: 25,336.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,700.65 : 40,971.33 = 18,366.53 : x
  2. Step 2: Convert to fraction form
    29,700.65/40,971.33 = 18,366.53/x
  3. Step 3: Cross multiply
    29,700.65x = 40,971.33 × 18,366.53
  4. Step 4: Simplify right side
    29,700.65x = 752,500,956.73
  5. Step 5: Solve for x
    x = 752,500,956.73/29,700.65
  6. Step 6: Final answer
    x = 25,336.18

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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.