Home / 38,385.42-52,971.99-22,255.86

Finding the Fourth Proportional to 38,385.42, 52,971.99 and 22,255.86

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Solution

The fourth proportional to 38,385.42, 52,971.99 and 22,255.86 is: 30,713.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,385.42 : 52,971.99 = 22,255.86 : x
  2. Step 2: Convert to fraction form
    38,385.42/52,971.99 = 22,255.86/x
  3. Step 3: Cross multiply
    38,385.42x = 52,971.99 × 22,255.86
  4. Step 4: Simplify right side
    38,385.42x = 1,178,937,193.36
  5. Step 5: Solve for x
    x = 1,178,937,193.36/38,385.42
  6. Step 6: Final answer
    x = 30,713.15

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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.