Home / 65,632.08-98,463.68-21,258.80

Finding the Fourth Proportional to 65,632.08, 98,463.68 and 21,258.80

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Solution

The fourth proportional to 65,632.08, 98,463.68 and 21,258.80 is: 31,893.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,632.08 : 98,463.68 = 21,258.80 : x
  2. Step 2: Convert to fraction form
    65,632.08/98,463.68 = 21,258.80/x
  3. Step 3: Cross multiply
    65,632.08x = 98,463.68 × 21,258.80
  4. Step 4: Simplify right side
    65,632.08x = 2,093,219,241.21
  5. Step 5: Solve for x
    x = 2,093,219,241.21/65,632.08
  6. Step 6: Final answer
    x = 31,893.23

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1.5x scale

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.