Home / 54,848.18-75,689.55-30,649.52

Finding the Fourth Proportional to 54,848.18, 75,689.55 and 30,649.52

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Solution

The fourth proportional to 54,848.18, 75,689.55 and 30,649.52 is: 42,295.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,848.18 : 75,689.55 = 30,649.52 : x
  2. Step 2: Convert to fraction form
    54,848.18/75,689.55 = 30,649.52/x
  3. Step 3: Cross multiply
    54,848.18x = 75,689.55 × 30,649.52
  4. Step 4: Simplify right side
    54,848.18x = 2,319,848,565.74
  5. Step 5: Solve for x
    x = 2,319,848,565.74/54,848.18
  6. Step 6: Final answer
    x = 42,295.81

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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.