Home / 65,698.08-98,549.28-18,951.36

Finding the Fourth Proportional to 65,698.08, 98,549.28 and 18,951.36

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Solution

The fourth proportional to 65,698.08, 98,549.28 and 18,951.36 is: 28,427.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,698.08 : 98,549.28 = 18,951.36 : x
  2. Step 2: Convert to fraction form
    65,698.08/98,549.28 = 18,951.36/x
  3. Step 3: Cross multiply
    65,698.08x = 98,549.28 × 18,951.36
  4. Step 4: Simplify right side
    65,698.08x = 1,867,642,883.02
  5. Step 5: Solve for x
    x = 1,867,642,883.02/65,698.08
  6. Step 6: Final answer
    x = 28,427.66

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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.