Home / 54,580.67-75,320.58-30,707.38

Finding the Fourth Proportional to 54,580.67, 75,320.58 and 30,707.38

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Solution

The fourth proportional to 54,580.67, 75,320.58 and 30,707.38 is: 42,375.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,580.67 : 75,320.58 = 30,707.38 : x
  2. Step 2: Convert to fraction form
    54,580.67/75,320.58 = 30,707.38/x
  3. Step 3: Cross multiply
    54,580.67x = 75,320.58 × 30,707.38
  4. Step 4: Simplify right side
    54,580.67x = 2,312,897,671.88
  5. Step 5: Solve for x
    x = 2,312,897,671.88/54,580.67
  6. Step 6: Final answer
    x = 42,375.77

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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.