Home / 65,166.36-89,929.26-35,358.36

Finding the Fourth Proportional to 65,166.36, 89,929.26 and 35,358.36

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Solution

The fourth proportional to 65,166.36, 89,929.26 and 35,358.36 is: 48,794.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,166.36 : 89,929.26 = 35,358.36 : x
  2. Step 2: Convert to fraction form
    65,166.36/89,929.26 = 35,358.36/x
  3. Step 3: Cross multiply
    65,166.36x = 89,929.26 × 35,358.36
  4. Step 4: Simplify right side
    65,166.36x = 3,179,751,149.61
  5. Step 5: Solve for x
    x = 3,179,751,149.61/65,166.36
  6. Step 6: Final answer
    x = 48,794.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.