Home / 86,810.38-130,225.11-27,632.19

Finding the Fourth Proportional to 86,810.38, 130,225.11 and 27,632.19

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Solution

The fourth proportional to 86,810.38, 130,225.11 and 27,632.19 is: 41,451.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,810.38 : 130,225.11 = 27,632.19 : x
  2. Step 2: Convert to fraction form
    86,810.38/130,225.11 = 27,632.19/x
  3. Step 3: Cross multiply
    86,810.38x = 130,225.11 × 27,632.19
  4. Step 4: Simplify right side
    86,810.38x = 3,598,404,982.29
  5. Step 5: Solve for x
    x = 3,598,404,982.29/86,810.38
  6. Step 6: Final answer
    x = 41,451.32

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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.