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Finding the Fourth Proportional to 32,393.46, 48,548.48 and 15,721.23

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Solution

The fourth proportional to 32,393.46, 48,548.48 and 15,721.23 is: 23,561.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,393.46 : 48,548.48 = 15,721.23 : x
  2. Step 2: Convert to fraction form
    32,393.46/48,548.48 = 15,721.23/x
  3. Step 3: Cross multiply
    32,393.46x = 48,548.48 × 15,721.23
  4. Step 4: Simplify right side
    32,393.46x = 763,241,741.62
  5. Step 5: Solve for x
    x = 763,241,741.62/32,393.46
  6. Step 6: Final answer
    x = 23,561.60

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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.