Home / 54,743.65-75,545.53-30,878.01

Finding the Fourth Proportional to 54,743.65, 75,545.53 and 30,878.01

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Solution

The fourth proportional to 54,743.65, 75,545.53 and 30,878.01 is: 42,611.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,743.65 : 75,545.53 = 30,878.01 : x
  2. Step 2: Convert to fraction form
    54,743.65/75,545.53 = 30,878.01/x
  3. Step 3: Cross multiply
    54,743.65x = 75,545.53 × 30,878.01
  4. Step 4: Simplify right side
    54,743.65x = 2,332,695,553.60
  5. Step 5: Solve for x
    x = 2,332,695,553.60/54,743.65
  6. Step 6: Final answer
    x = 42,611.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.