Home / 40,395.30-60,555.69-21,688.44

Finding the Fourth Proportional to 40,395.30, 60,555.69 and 21,688.44

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Solution

The fourth proportional to 40,395.30, 60,555.69 and 21,688.44 is: 32,512.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,395.30 : 60,555.69 = 21,688.44 : x
  2. Step 2: Convert to fraction form
    40,395.30/60,555.69 = 21,688.44/x
  3. Step 3: Cross multiply
    40,395.30x = 60,555.69 × 21,688.44
  4. Step 4: Simplify right side
    40,395.30x = 1,313,358,449.22
  5. Step 5: Solve for x
    x = 1,313,358,449.22/40,395.30
  6. Step 6: Final answer
    x = 32,512.65

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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.