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Finding the Fourth Proportional to 57,253.42, 79,009.65 and 31,763.65

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Solution

The fourth proportional to 57,253.42, 79,009.65 and 31,763.65 is: 43,833.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,253.42 : 79,009.65 = 31,763.65 : x
  2. Step 2: Convert to fraction form
    57,253.42/79,009.65 = 31,763.65/x
  3. Step 3: Cross multiply
    57,253.42x = 79,009.65 × 31,763.65
  4. Step 4: Simplify right side
    57,253.42x = 2,509,634,763.73
  5. Step 5: Solve for x
    x = 2,509,634,763.73/57,253.42
  6. Step 6: Final answer
    x = 43,833.80

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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.