Home / 38,225.18-52,750.80-21,458.18

Finding the Fourth Proportional to 38,225.18, 52,750.80 and 21,458.18

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Solution

The fourth proportional to 38,225.18, 52,750.80 and 21,458.18 is: 29,612.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,225.18 : 52,750.80 = 21,458.18 : x
  2. Step 2: Convert to fraction form
    38,225.18/52,750.80 = 21,458.18/x
  3. Step 3: Cross multiply
    38,225.18x = 52,750.80 × 21,458.18
  4. Step 4: Simplify right side
    38,225.18x = 1,131,936,161.54
  5. Step 5: Solve for x
    x = 1,131,936,161.54/38,225.18
  6. Step 6: Final answer
    x = 29,612.32

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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.