Home / 31,487.84-43,448.70-18,059.66

Finding the Fourth Proportional to 31,487.84, 43,448.70 and 18,059.66

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Solution

The fourth proportional to 31,487.84, 43,448.70 and 18,059.66 is: 24,919.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,487.84 : 43,448.70 = 18,059.66 : x
  2. Step 2: Convert to fraction form
    31,487.84/43,448.70 = 18,059.66/x
  3. Step 3: Cross multiply
    31,487.84x = 43,448.70 × 18,059.66
  4. Step 4: Simplify right side
    31,487.84x = 784,668,749.44
  5. Step 5: Solve for x
    x = 784,668,749.44/31,487.84
  6. Step 6: Final answer
    x = 24,919.74

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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.