Home / 74,011.59-111,035.61-21,426.39

Finding the Fourth Proportional to 74,011.59, 111,035.61 and 21,426.39

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Solution

The fourth proportional to 74,011.59, 111,035.61 and 21,426.39 is: 32,144.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,011.59 : 111,035.61 = 21,426.39 : x
  2. Step 2: Convert to fraction form
    74,011.59/111,035.61 = 21,426.39/x
  3. Step 3: Cross multiply
    74,011.59x = 111,035.61 × 21,426.39
  4. Step 4: Simplify right side
    74,011.59x = 2,379,092,283.75
  5. Step 5: Solve for x
    x = 2,379,092,283.75/74,011.59
  6. Step 6: Final answer
    x = 32,144.86

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1.5x scale

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.