Home / 43,251.42-64,852.02-21,036.78

Finding the Fourth Proportional to 43,251.42, 64,852.02 and 21,036.78

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Solution

The fourth proportional to 43,251.42, 64,852.02 and 21,036.78 is: 31,542.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,251.42 : 64,852.02 = 21,036.78 : x
  2. Step 2: Convert to fraction form
    43,251.42/64,852.02 = 21,036.78/x
  3. Step 3: Cross multiply
    43,251.42x = 64,852.02 × 21,036.78
  4. Step 4: Simplify right side
    43,251.42x = 1,364,277,677.30
  5. Step 5: Solve for x
    x = 1,364,277,677.30/43,251.42
  6. Step 6: Final answer
    x = 31,542.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.