Home / 54,721.19-75,510.71-30,853.73

Finding the Fourth Proportional to 54,721.19, 75,510.71 and 30,853.73

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Solution

The fourth proportional to 54,721.19, 75,510.71 and 30,853.73 is: 42,575.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,721.19 : 75,510.71 = 30,853.73 : x
  2. Step 2: Convert to fraction form
    54,721.19/75,510.71 = 30,853.73/x
  3. Step 3: Cross multiply
    54,721.19x = 75,510.71 × 30,853.73
  4. Step 4: Simplify right side
    54,721.19x = 2,329,787,058.45
  5. Step 5: Solve for x
    x = 2,329,787,058.45/54,721.19
  6. Step 6: Final answer
    x = 42,575.59

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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.