Home / 32,789.17-45,249.06-18,642.88

Finding the Fourth Proportional to 32,789.17, 45,249.06 and 18,642.88

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Solution

The fourth proportional to 32,789.17, 45,249.06 and 18,642.88 is: 25,727.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,789.17 : 45,249.06 = 18,642.88 : x
  2. Step 2: Convert to fraction form
    32,789.17/45,249.06 = 18,642.88/x
  3. Step 3: Cross multiply
    32,789.17x = 45,249.06 × 18,642.88
  4. Step 4: Simplify right side
    32,789.17x = 843,572,795.69
  5. Step 5: Solve for x
    x = 843,572,795.69/32,789.17
  6. Step 6: Final answer
    x = 25,727.18

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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.