Home / 38,010.56-52,452.93-20,782.61

Finding the Fourth Proportional to 38,010.56, 52,452.93 and 20,782.61

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Solution

The fourth proportional to 38,010.56, 52,452.93 and 20,782.61 is: 28,679.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,010.56 : 52,452.93 = 20,782.61 : x
  2. Step 2: Convert to fraction form
    38,010.56/52,452.93 = 20,782.61/x
  3. Step 3: Cross multiply
    38,010.56x = 52,452.93 × 20,782.61
  4. Step 4: Simplify right side
    38,010.56x = 1,090,108,624.56
  5. Step 5: Solve for x
    x = 1,090,108,624.56/38,010.56
  6. Step 6: Final answer
    x = 28,679.10

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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.