Home / 37,242.80-55,865.90-12,285.02

Finding the Fourth Proportional to 37,242.80, 55,865.90 and 12,285.02

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Solution

The fourth proportional to 37,242.80, 55,865.90 and 12,285.02 is: 18,428.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,242.80 : 55,865.90 = 12,285.02 : x
  2. Step 2: Convert to fraction form
    37,242.80/55,865.90 = 12,285.02/x
  3. Step 3: Cross multiply
    37,242.80x = 55,865.90 × 12,285.02
  4. Step 4: Simplify right side
    37,242.80x = 686,313,637.39
  5. Step 5: Solve for x
    x = 686,313,637.39/37,242.80
  6. Step 6: Final answer
    x = 18,428.09

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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.