Home / 38,120.60-52,608.54-21,124.49

Finding the Fourth Proportional to 38,120.60, 52,608.54 and 21,124.49

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Solution

The fourth proportional to 38,120.60, 52,608.54 and 21,124.49 is: 29,152.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,120.60 : 52,608.54 = 21,124.49 : x
  2. Step 2: Convert to fraction form
    38,120.60/52,608.54 = 21,124.49/x
  3. Step 3: Cross multiply
    38,120.60x = 52,608.54 × 21,124.49
  4. Step 4: Simplify right side
    38,120.60x = 1,111,328,570.42
  5. Step 5: Solve for x
    x = 1,111,328,570.42/38,120.60
  6. Step 6: Final answer
    x = 29,152.96

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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.