Home / 38,729.68-53,440.43-22,817.30

Finding the Fourth Proportional to 38,729.68, 53,440.43 and 22,817.30

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Solution

The fourth proportional to 38,729.68, 53,440.43 and 22,817.30 is: 31,484.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,729.68 : 53,440.43 = 22,817.30 : x
  2. Step 2: Convert to fraction form
    38,729.68/53,440.43 = 22,817.30/x
  3. Step 3: Cross multiply
    38,729.68x = 53,440.43 × 22,817.30
  4. Step 4: Simplify right side
    38,729.68x = 1,219,365,942.15
  5. Step 5: Solve for x
    x = 1,219,365,942.15/38,729.68
  6. Step 6: Final answer
    x = 31,484.02

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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.