Home / 48,931.40-73,425.90-17,769.80

Finding the Fourth Proportional to 48,931.40, 73,425.90 and 17,769.80

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Solution

The fourth proportional to 48,931.40, 73,425.90 and 17,769.80 is: 26,665.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,931.40 : 73,425.90 = 17,769.80 : x
  2. Step 2: Convert to fraction form
    48,931.40/73,425.90 = 17,769.80/x
  3. Step 3: Cross multiply
    48,931.40x = 73,425.90 × 17,769.80
  4. Step 4: Simplify right side
    48,931.40x = 1,304,763,557.82
  5. Step 5: Solve for x
    x = 1,304,763,557.82/48,931.40
  6. Step 6: Final answer
    x = 26,665.16

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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.