Home / 40,803.06-61,206.12-11,220.96

Finding the Fourth Proportional to 40,803.06, 61,206.12 and 11,220.96

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Solution

The fourth proportional to 40,803.06, 61,206.12 and 11,220.96 is: 16,831.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,803.06 : 61,206.12 = 11,220.96 : x
  2. Step 2: Convert to fraction form
    40,803.06/61,206.12 = 11,220.96/x
  3. Step 3: Cross multiply
    40,803.06x = 61,206.12 × 11,220.96
  4. Step 4: Simplify right side
    40,803.06x = 686,791,424.28
  5. Step 5: Solve for x
    x = 686,791,424.28/40,803.06
  6. Step 6: Final answer
    x = 16,831.86

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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.