Home / 54,135.53-74,710.85-35,272.65

Finding the Fourth Proportional to 54,135.53, 74,710.85 and 35,272.65

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Solution

The fourth proportional to 54,135.53, 74,710.85 and 35,272.65 is: 48,678.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,135.53 : 74,710.85 = 35,272.65 : x
  2. Step 2: Convert to fraction form
    54,135.53/74,710.85 = 35,272.65/x
  3. Step 3: Cross multiply
    54,135.53x = 74,710.85 × 35,272.65
  4. Step 4: Simplify right side
    54,135.53x = 2,635,249,663.25
  5. Step 5: Solve for x
    x = 2,635,249,663.25/54,135.53
  6. Step 6: Final answer
    x = 48,678.75

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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.