Home / 38,490.44-53,128.88-22,581.32

Finding the Fourth Proportional to 38,490.44, 53,128.88 and 22,581.32

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Solution

The fourth proportional to 38,490.44, 53,128.88 and 22,581.32 is: 31,169.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,490.44 : 53,128.88 = 22,581.32 : x
  2. Step 2: Convert to fraction form
    38,490.44/53,128.88 = 22,581.32/x
  3. Step 3: Cross multiply
    38,490.44x = 53,128.88 × 22,581.32
  4. Step 4: Simplify right side
    38,490.44x = 1,199,720,240.52
  5. Step 5: Solve for x
    x = 1,199,720,240.52/38,490.44
  6. Step 6: Final answer
    x = 31,169.30

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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.