Home / 53,159.32-79,705.50-28,183.60

Finding the Fourth Proportional to 53,159.32, 79,705.50 and 28,183.60

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Solution

The fourth proportional to 53,159.32, 79,705.50 and 28,183.60 is: 42,257.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,159.32 : 79,705.50 = 28,183.60 : x
  2. Step 2: Convert to fraction form
    53,159.32/79,705.50 = 28,183.60/x
  3. Step 3: Cross multiply
    53,159.32x = 79,705.50 × 28,183.60
  4. Step 4: Simplify right side
    53,159.32x = 2,246,387,929.80
  5. Step 5: Solve for x
    x = 2,246,387,929.80/53,159.32
  6. Step 6: Final answer
    x = 42,257.65

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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.