Home / 38,110.32-52,559.76-30,138.72

Finding the Fourth Proportional to 38,110.32, 52,559.76 and 30,138.72

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Solution

The fourth proportional to 38,110.32, 52,559.76 and 30,138.72 is: 41,565.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,110.32 : 52,559.76 = 30,138.72 : x
  2. Step 2: Convert to fraction form
    38,110.32/52,559.76 = 30,138.72/x
  3. Step 3: Cross multiply
    38,110.32x = 52,559.76 × 30,138.72
  4. Step 4: Simplify right side
    38,110.32x = 1,584,083,889.91
  5. Step 5: Solve for x
    x = 1,584,083,889.91/38,110.32
  6. Step 6: Final answer
    x = 41,565.75

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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.