Home / 48,637.06-72,942.53-18,644.78

Finding the Fourth Proportional to 48,637.06, 72,942.53 and 18,644.78

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Solution

The fourth proportional to 48,637.06, 72,942.53 and 18,644.78 is: 27,962.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,637.06 : 72,942.53 = 18,644.78 : x
  2. Step 2: Convert to fraction form
    48,637.06/72,942.53 = 18,644.78/x
  3. Step 3: Cross multiply
    48,637.06x = 72,942.53 × 18,644.78
  4. Step 4: Simplify right side
    48,637.06x = 1,359,997,513.63
  5. Step 5: Solve for x
    x = 1,359,997,513.63/48,637.06
  6. Step 6: Final answer
    x = 27,962.17

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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.