Home / 32,833.92-45,312.30-18,689.70

Finding the Fourth Proportional to 32,833.92, 45,312.30 and 18,689.70

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Solution

The fourth proportional to 32,833.92, 45,312.30 and 18,689.70 is: 25,792.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,833.92 : 45,312.30 = 18,689.70 : x
  2. Step 2: Convert to fraction form
    32,833.92/45,312.30 = 18,689.70/x
  3. Step 3: Cross multiply
    32,833.92x = 45,312.30 × 18,689.70
  4. Step 4: Simplify right side
    32,833.92x = 846,873,293.31
  5. Step 5: Solve for x
    x = 846,873,293.31/32,833.92
  6. Step 6: Final answer
    x = 25,792.63

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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.