Home / 38,237.76-52,766.60-21,243.08

Finding the Fourth Proportional to 38,237.76, 52,766.60 and 21,243.08

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Solution

The fourth proportional to 38,237.76, 52,766.60 and 21,243.08 is: 29,314.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,237.76 : 52,766.60 = 21,243.08 : x
  2. Step 2: Convert to fraction form
    38,237.76/52,766.60 = 21,243.08/x
  3. Step 3: Cross multiply
    38,237.76x = 52,766.60 × 21,243.08
  4. Step 4: Simplify right side
    38,237.76x = 1,120,925,130.83
  5. Step 5: Solve for x
    x = 1,120,925,130.83/38,237.76
  6. Step 6: Final answer
    x = 29,314.61

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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.