Home / 31,334.65-43,244.10-17,905.61

Finding the Fourth Proportional to 31,334.65, 43,244.10 and 17,905.61

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Solution

The fourth proportional to 31,334.65, 43,244.10 and 17,905.61 is: 24,711.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,334.65 : 43,244.10 = 17,905.61 : x
  2. Step 2: Convert to fraction form
    31,334.65/43,244.10 = 17,905.61/x
  3. Step 3: Cross multiply
    31,334.65x = 43,244.10 × 17,905.61
  4. Step 4: Simplify right side
    31,334.65x = 774,312,097.51
  5. Step 5: Solve for x
    x = 774,312,097.51/31,334.65
  6. Step 6: Final answer
    x = 24,711.05

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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.