Home / 37,439.76-51,666.53-20,443.92

Finding the Fourth Proportional to 37,439.76, 51,666.53 and 20,443.92

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Solution

The fourth proportional to 37,439.76, 51,666.53 and 20,443.92 is: 28,212.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,439.76 : 51,666.53 = 20,443.92 : x
  2. Step 2: Convert to fraction form
    37,439.76/51,666.53 = 20,443.92/x
  3. Step 3: Cross multiply
    37,439.76x = 51,666.53 × 20,443.92
  4. Step 4: Simplify right side
    37,439.76x = 1,056,266,406.00
  5. Step 5: Solve for x
    x = 1,056,266,406.00/37,439.76
  6. Step 6: Final answer
    x = 28,212.42

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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.