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Finding the Fourth Proportional to 32,963.66, 49,472.16 and 18,740.87

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Solution

The fourth proportional to 32,963.66, 49,472.16 and 18,740.87 is: 28,126.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,963.66 : 49,472.16 = 18,740.87 : x
  2. Step 2: Convert to fraction form
    32,963.66/49,472.16 = 18,740.87/x
  3. Step 3: Cross multiply
    32,963.66x = 49,472.16 × 18,740.87
  4. Step 4: Simplify right side
    32,963.66x = 927,151,225.47
  5. Step 5: Solve for x
    x = 927,151,225.47/32,963.66
  6. Step 6: Final answer
    x = 28,126.46

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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.