Home / 31,363.35-43,343.64-25,689.11

Finding the Fourth Proportional to 31,363.35, 43,343.64 and 25,689.11

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Solution

The fourth proportional to 31,363.35, 43,343.64 and 25,689.11 is: 35,501.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,363.35 : 43,343.64 = 25,689.11 : x
  2. Step 2: Convert to fraction form
    31,363.35/43,343.64 = 25,689.11/x
  3. Step 3: Cross multiply
    31,363.35x = 43,343.64 × 25,689.11
  4. Step 4: Simplify right side
    31,363.35x = 1,113,459,319.04
  5. Step 5: Solve for x
    x = 1,113,459,319.04/31,363.35
  6. Step 6: Final answer
    x = 35,501.93

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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.