Home / 36,875.28-55,243.53-21,837.90

Finding the Fourth Proportional to 36,875.28, 55,243.53 and 21,837.90

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Solution

The fourth proportional to 36,875.28, 55,243.53 and 21,837.90 is: 32,715.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,875.28 : 55,243.53 = 21,837.90 : x
  2. Step 2: Convert to fraction form
    36,875.28/55,243.53 = 21,837.90/x
  3. Step 3: Cross multiply
    36,875.28x = 55,243.53 × 21,837.90
  4. Step 4: Simplify right side
    36,875.28x = 1,206,402,683.79
  5. Step 5: Solve for x
    x = 1,206,402,683.79/36,875.28
  6. Step 6: Final answer
    x = 32,715.76

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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.