Home / 53,106.32-79,659.98-15,155.55

Finding the Fourth Proportional to 53,106.32, 79,659.98 and 15,155.55

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Solution

The fourth proportional to 53,106.32, 79,659.98 and 15,155.55 is: 22,733.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,106.32 : 79,659.98 = 15,155.55 : x
  2. Step 2: Convert to fraction form
    53,106.32/79,659.98 = 15,155.55/x
  3. Step 3: Cross multiply
    53,106.32x = 79,659.98 × 15,155.55
  4. Step 4: Simplify right side
    53,106.32x = 1,207,290,847.78
  5. Step 5: Solve for x
    x = 1,207,290,847.78/53,106.32
  6. Step 6: Final answer
    x = 22,733.47

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Similar ratio
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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.