Home / 36,087.42-54,129.90-12,713.26

Finding the Fourth Proportional to 36,087.42, 54,129.90 and 12,713.26

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Solution

The fourth proportional to 36,087.42, 54,129.90 and 12,713.26 is: 19,069.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,087.42 : 54,129.90 = 12,713.26 : x
  2. Step 2: Convert to fraction form
    36,087.42/54,129.90 = 12,713.26/x
  3. Step 3: Cross multiply
    36,087.42x = 54,129.90 × 12,713.26
  4. Step 4: Simplify right side
    36,087.42x = 688,167,492.47
  5. Step 5: Solve for x
    x = 688,167,492.47/36,087.42
  6. Step 6: Final answer
    x = 19,069.46

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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.