Home / 65,221.20-97,831.80-15,973.20

Finding the Fourth Proportional to 65,221.20, 97,831.80 and 15,973.20

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Solution

The fourth proportional to 65,221.20, 97,831.80 and 15,973.20 is: 23,959.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,221.20 : 97,831.80 = 15,973.20 : x
  2. Step 2: Convert to fraction form
    65,221.20/97,831.80 = 15,973.20/x
  3. Step 3: Cross multiply
    65,221.20x = 97,831.80 × 15,973.20
  4. Step 4: Simplify right side
    65,221.20x = 1,562,686,907.76
  5. Step 5: Solve for x
    x = 1,562,686,907.76/65,221.20
  6. Step 6: Final answer
    x = 23,959.80

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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.