Home / 41,312.08-57,009.12-22,448.80

Finding the Fourth Proportional to 41,312.08, 57,009.12 and 22,448.80

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Solution

The fourth proportional to 41,312.08, 57,009.12 and 22,448.80 is: 30,978.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,312.08 : 57,009.12 = 22,448.80 : x
  2. Step 2: Convert to fraction form
    41,312.08/57,009.12 = 22,448.80/x
  3. Step 3: Cross multiply
    41,312.08x = 57,009.12 × 22,448.80
  4. Step 4: Simplify right side
    41,312.08x = 1,279,786,333.06
  5. Step 5: Solve for x
    x = 1,279,786,333.06/41,312.08
  6. Step 6: Final answer
    x = 30,978.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.