Home / 54,830.06-75,663.95-30,958.95

Finding the Fourth Proportional to 54,830.06, 75,663.95 and 30,958.95

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Solution

The fourth proportional to 54,830.06, 75,663.95 and 30,958.95 is: 42,722.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,830.06 : 75,663.95 = 30,958.95 : x
  2. Step 2: Convert to fraction form
    54,830.06/75,663.95 = 30,958.95/x
  3. Step 3: Cross multiply
    54,830.06x = 75,663.95 × 30,958.95
  4. Step 4: Simplify right side
    54,830.06x = 2,342,476,290.06
  5. Step 5: Solve for x
    x = 2,342,476,290.06/54,830.06
  6. Step 6: Final answer
    x = 42,722.49

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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.