Home / 65,746.05-98,641.97-20,774.27

Finding the Fourth Proportional to 65,746.05, 98,641.97 and 20,774.27

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Solution

The fourth proportional to 65,746.05, 98,641.97 and 20,774.27 is: 31,168.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,746.05 : 98,641.97 = 20,774.27 : x
  2. Step 2: Convert to fraction form
    65,746.05/98,641.97 = 20,774.27/x
  3. Step 3: Cross multiply
    65,746.05x = 98,641.97 × 20,774.27
  4. Step 4: Simplify right side
    65,746.05x = 2,049,214,424.90
  5. Step 5: Solve for x
    x = 2,049,214,424.90/65,746.05
  6. Step 6: Final answer
    x = 31,168.63

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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.