Home / 31,344.84-43,253.19-17,913.42

Finding the Fourth Proportional to 31,344.84, 43,253.19 and 17,913.42

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Solution

The fourth proportional to 31,344.84, 43,253.19 and 17,913.42 is: 24,718.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,344.84 : 43,253.19 = 17,913.42 : x
  2. Step 2: Convert to fraction form
    31,344.84/43,253.19 = 17,913.42/x
  3. Step 3: Cross multiply
    31,344.84x = 43,253.19 × 17,913.42
  4. Step 4: Simplify right side
    31,344.84x = 774,812,558.81
  5. Step 5: Solve for x
    x = 774,812,558.81/31,344.84
  6. Step 6: Final answer
    x = 24,718.98

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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.