Home / 43,320.90-64,981.35-26,626.80

Finding the Fourth Proportional to 43,320.90, 64,981.35 and 26,626.80

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Solution

The fourth proportional to 43,320.90, 64,981.35 and 26,626.80 is: 39,940.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,320.90 : 64,981.35 = 26,626.80 : x
  2. Step 2: Convert to fraction form
    43,320.90/64,981.35 = 26,626.80/x
  3. Step 3: Cross multiply
    43,320.90x = 64,981.35 × 26,626.80
  4. Step 4: Simplify right side
    43,320.90x = 1,730,245,410.18
  5. Step 5: Solve for x
    x = 1,730,245,410.18/43,320.90
  6. Step 6: Final answer
    x = 39,940.20

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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.