Home / 32,761.95-45,213.12-18,426.30

Finding the Fourth Proportional to 32,761.95, 45,213.12 and 18,426.30

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Solution

The fourth proportional to 32,761.95, 45,213.12 and 18,426.30 is: 25,429.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,761.95 : 45,213.12 = 18,426.30 : x
  2. Step 2: Convert to fraction form
    32,761.95/45,213.12 = 18,426.30/x
  3. Step 3: Cross multiply
    32,761.95x = 45,213.12 × 18,426.30
  4. Step 4: Simplify right side
    32,761.95x = 833,110,513.06
  5. Step 5: Solve for x
    x = 833,110,513.06/32,761.95
  6. Step 6: Final answer
    x = 25,429.21

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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.