Home / 65,913.56-98,883.06-21,528.38

Finding the Fourth Proportional to 65,913.56, 98,883.06 and 21,528.38

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Solution

The fourth proportional to 65,913.56, 98,883.06 and 21,528.38 is: 32,296.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,913.56 : 98,883.06 = 21,528.38 : x
  2. Step 2: Convert to fraction form
    65,913.56/98,883.06 = 21,528.38/x
  3. Step 3: Cross multiply
    65,913.56x = 98,883.06 × 21,528.38
  4. Step 4: Simplify right side
    65,913.56x = 2,128,792,091.24
  5. Step 5: Solve for x
    x = 2,128,792,091.24/65,913.56
  6. Step 6: Final answer
    x = 32,296.72

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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.