Home / 54,640.35-75,403.35-30,774.71

Finding the Fourth Proportional to 54,640.35, 75,403.35 and 30,774.71

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Solution

The fourth proportional to 54,640.35, 75,403.35 and 30,774.71 is: 42,468.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,640.35 : 75,403.35 = 30,774.71 : x
  2. Step 2: Convert to fraction form
    54,640.35/75,403.35 = 30,774.71/x
  3. Step 3: Cross multiply
    54,640.35x = 75,403.35 × 30,774.71
  4. Step 4: Simplify right side
    54,640.35x = 2,320,516,417.79
  5. Step 5: Solve for x
    x = 2,320,516,417.79/54,640.35
  6. Step 6: Final answer
    x = 42,468.92

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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.