Home / 81,746.57-122,622.17-22,582.25

Finding the Fourth Proportional to 81,746.57, 122,622.17 and 22,582.25

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Solution

The fourth proportional to 81,746.57, 122,622.17 and 22,582.25 is: 33,874.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,746.57 : 122,622.17 = 22,582.25 : x
  2. Step 2: Convert to fraction form
    81,746.57/122,622.17 = 22,582.25/x
  3. Step 3: Cross multiply
    81,746.57x = 122,622.17 × 22,582.25
  4. Step 4: Simplify right side
    81,746.57x = 2,769,084,498.48
  5. Step 5: Solve for x
    x = 2,769,084,498.48/81,746.57
  6. Step 6: Final answer
    x = 33,874.01

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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.