Home / 48,637.04-72,963.14-20,557.21

Finding the Fourth Proportional to 48,637.04, 72,963.14 and 20,557.21

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Solution

The fourth proportional to 48,637.04, 72,963.14 and 20,557.21 is: 30,839.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,637.04 : 72,963.14 = 20,557.21 : x
  2. Step 2: Convert to fraction form
    48,637.04/72,963.14 = 20,557.21/x
  3. Step 3: Cross multiply
    48,637.04x = 72,963.14 × 20,557.21
  4. Step 4: Simplify right side
    48,637.04x = 1,499,918,306.05
  5. Step 5: Solve for x
    x = 1,499,918,306.05/48,637.04
  6. Step 6: Final answer
    x = 30,839.01

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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.