Home / 32,418.95-44,742.20-18,995.31

Finding the Fourth Proportional to 32,418.95, 44,742.20 and 18,995.31

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Solution

The fourth proportional to 32,418.95, 44,742.20 and 18,995.31 is: 26,215.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,418.95 : 44,742.20 = 18,995.31 : x
  2. Step 2: Convert to fraction form
    32,418.95/44,742.20 = 18,995.31/x
  3. Step 3: Cross multiply
    32,418.95x = 44,742.20 × 18,995.31
  4. Step 4: Simplify right side
    32,418.95x = 849,891,864.11
  5. Step 5: Solve for x
    x = 849,891,864.11/32,418.95
  6. Step 6: Final answer
    x = 26,215.90

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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.