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Finding the Fourth Proportional to 32,655.33, 45,064.89 and 18,507.87

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Solution

The fourth proportional to 32,655.33, 45,064.89 and 18,507.87 is: 25,541.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,655.33 : 45,064.89 = 18,507.87 : x
  2. Step 2: Convert to fraction form
    32,655.33/45,064.89 = 18,507.87/x
  3. Step 3: Cross multiply
    32,655.33x = 45,064.89 × 18,507.87
  4. Step 4: Simplify right side
    32,655.33x = 834,055,125.68
  5. Step 5: Solve for x
    x = 834,055,125.68/32,655.33
  6. Step 6: Final answer
    x = 25,541.16

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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.