Home / 86,821.70-130,232.55-24,492.20

Finding the Fourth Proportional to 86,821.70, 130,232.55 and 24,492.20

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Solution

The fourth proportional to 86,821.70, 130,232.55 and 24,492.20 is: 36,738.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,821.70 : 130,232.55 = 24,492.20 : x
  2. Step 2: Convert to fraction form
    86,821.70/130,232.55 = 24,492.20/x
  3. Step 3: Cross multiply
    86,821.70x = 130,232.55 × 24,492.20
  4. Step 4: Simplify right side
    86,821.70x = 3,189,681,661.11
  5. Step 5: Solve for x
    x = 3,189,681,661.11/86,821.70
  6. Step 6: Final answer
    x = 36,738.30

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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.