Home / 53,418.08-80,175.52-28,479.04

Finding the Fourth Proportional to 53,418.08, 80,175.52 and 28,479.04

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Solution

The fourth proportional to 53,418.08, 80,175.52 and 28,479.04 is: 42,744.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,418.08 : 80,175.52 = 28,479.04 : x
  2. Step 2: Convert to fraction form
    53,418.08/80,175.52 = 28,479.04/x
  3. Step 3: Cross multiply
    53,418.08x = 80,175.52 × 28,479.04
  4. Step 4: Simplify right side
    53,418.08x = 2,283,321,841.10
  5. Step 5: Solve for x
    x = 2,283,321,841.10/53,418.08
  6. Step 6: Final answer
    x = 42,744.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.