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Finding the Fourth Proportional to 65,013.39, 97,523.46 and 20,643.62

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Solution

The fourth proportional to 65,013.39, 97,523.46 and 20,643.62 is: 30,966.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,013.39 : 97,523.46 = 20,643.62 : x
  2. Step 2: Convert to fraction form
    65,013.39/97,523.46 = 20,643.62/x
  3. Step 3: Cross multiply
    65,013.39x = 97,523.46 × 20,643.62
  4. Step 4: Simplify right side
    65,013.39x = 2,013,236,761.71
  5. Step 5: Solve for x
    x = 2,013,236,761.71/65,013.39
  6. Step 6: Final answer
    x = 30,966.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.