Home / 38,810.56-53,522.22-30,879.04

Finding the Fourth Proportional to 38,810.56, 53,522.22 and 30,879.04

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Solution

The fourth proportional to 38,810.56, 53,522.22 and 30,879.04 is: 42,584.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,810.56 : 53,522.22 = 30,879.04 : x
  2. Step 2: Convert to fraction form
    38,810.56/53,522.22 = 30,879.04/x
  3. Step 3: Cross multiply
    38,810.56x = 53,522.22 × 30,879.04
  4. Step 4: Simplify right side
    38,810.56x = 1,652,714,772.27
  5. Step 5: Solve for x
    x = 1,652,714,772.27/38,810.56
  6. Step 6: Final answer
    x = 42,584.15

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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.