Home / 54,721.78-75,516.05-30,848.45

Finding the Fourth Proportional to 54,721.78, 75,516.05 and 30,848.45

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Solution

The fourth proportional to 54,721.78, 75,516.05 and 30,848.45 is: 42,570.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,721.78 : 75,516.05 = 30,848.45 : x
  2. Step 2: Convert to fraction form
    54,721.78/75,516.05 = 30,848.45/x
  3. Step 3: Cross multiply
    54,721.78x = 75,516.05 × 30,848.45
  4. Step 4: Simplify right side
    54,721.78x = 2,329,553,092.62
  5. Step 5: Solve for x
    x = 2,329,553,092.62/54,721.78
  6. Step 6: Final answer
    x = 42,570.86

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1.5x scale

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.