Home / 36,190.67-54,275.59-12,492.05

Finding the Fourth Proportional to 36,190.67, 54,275.59 and 12,492.05

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Solution

The fourth proportional to 36,190.67, 54,275.59 and 12,492.05 is: 18,734.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,190.67 : 54,275.59 = 12,492.05 : x
  2. Step 2: Convert to fraction form
    36,190.67/54,275.59 = 12,492.05/x
  3. Step 3: Cross multiply
    36,190.67x = 54,275.59 × 12,492.05
  4. Step 4: Simplify right side
    36,190.67x = 678,013,488.52
  5. Step 5: Solve for x
    x = 678,013,488.52/36,190.67
  6. Step 6: Final answer
    x = 18,734.49

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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.