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Finding the Fourth Proportional to 32,657.84, 45,066.54 and 18,510.38

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Solution

The fourth proportional to 32,657.84, 45,066.54 and 18,510.38 is: 25,543.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,657.84 : 45,066.54 = 18,510.38 : x
  2. Step 2: Convert to fraction form
    32,657.84/45,066.54 = 18,510.38/x
  3. Step 3: Cross multiply
    32,657.84x = 45,066.54 × 18,510.38
  4. Step 4: Simplify right side
    32,657.84x = 834,198,780.69
  5. Step 5: Solve for x
    x = 834,198,780.69/32,657.84
  6. Step 6: Final answer
    x = 25,543.60

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Double scale
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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.