Home / 31,529.18-43,510.61-17,382.53

Finding the Fourth Proportional to 31,529.18, 43,510.61 and 17,382.53

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Solution

The fourth proportional to 31,529.18, 43,510.61 and 17,382.53 is: 23,988.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,529.18 : 43,510.61 = 17,382.53 : x
  2. Step 2: Convert to fraction form
    31,529.18/43,510.61 = 17,382.53/x
  3. Step 3: Cross multiply
    31,529.18x = 43,510.61 × 17,382.53
  4. Step 4: Simplify right side
    31,529.18x = 756,324,483.64
  5. Step 5: Solve for x
    x = 756,324,483.64/31,529.18
  6. Step 6: Final answer
    x = 23,988.08

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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.