Home / 65,226.28-97,831.14-20,849.36

Finding the Fourth Proportional to 65,226.28, 97,831.14 and 20,849.36

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Solution

The fourth proportional to 65,226.28, 97,831.14 and 20,849.36 is: 31,271.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,226.28 : 97,831.14 = 20,849.36 : x
  2. Step 2: Convert to fraction form
    65,226.28/97,831.14 = 20,849.36/x
  3. Step 3: Cross multiply
    65,226.28x = 97,831.14 × 20,849.36
  4. Step 4: Simplify right side
    65,226.28x = 2,039,716,657.07
  5. Step 5: Solve for x
    x = 2,039,716,657.07/65,226.28
  6. Step 6: Final answer
    x = 31,271.39

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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.