Home / 36,967.92-55,430.76-21,981.36

Finding the Fourth Proportional to 36,967.92, 55,430.76 and 21,981.36

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Solution

The fourth proportional to 36,967.92, 55,430.76 and 21,981.36 is: 32,959.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,967.92 : 55,430.76 = 21,981.36 : x
  2. Step 2: Convert to fraction form
    36,967.92/55,430.76 = 21,981.36/x
  3. Step 3: Cross multiply
    36,967.92x = 55,430.76 × 21,981.36
  4. Step 4: Simplify right side
    36,967.92x = 1,218,443,490.63
  5. Step 5: Solve for x
    x = 1,218,443,490.63/36,967.92
  6. Step 6: Final answer
    x = 32,959.48

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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.