Home / 36,036.28-54,054.42-12,657.25

Finding the Fourth Proportional to 36,036.28, 54,054.42 and 12,657.25

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Solution

The fourth proportional to 36,036.28, 54,054.42 and 12,657.25 is: 18,985.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,036.28 : 54,054.42 = 12,657.25 : x
  2. Step 2: Convert to fraction form
    36,036.28/54,054.42 = 12,657.25/x
  3. Step 3: Cross multiply
    36,036.28x = 54,054.42 × 12,657.25
  4. Step 4: Simplify right side
    36,036.28x = 684,180,307.55
  5. Step 5: Solve for x
    x = 684,180,307.55/36,036.28
  6. Step 6: Final answer
    x = 18,985.88

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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.