Home / 65,535.03-98,289.99-21,151.08

Finding the Fourth Proportional to 65,535.03, 98,289.99 and 21,151.08

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Solution

The fourth proportional to 65,535.03, 98,289.99 and 21,151.08 is: 31,722.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,535.03 : 98,289.99 = 21,151.08 : x
  2. Step 2: Convert to fraction form
    65,535.03/98,289.99 = 21,151.08/x
  3. Step 3: Cross multiply
    65,535.03x = 98,289.99 × 21,151.08
  4. Step 4: Simplify right side
    65,535.03x = 2,078,939,441.69
  5. Step 5: Solve for x
    x = 2,078,939,441.69/65,535.03
  6. Step 6: Final answer
    x = 31,722.57

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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.