Home / 40,314.89-55,630.32-22,407.01

Finding the Fourth Proportional to 40,314.89, 55,630.32 and 22,407.01

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Solution

The fourth proportional to 40,314.89, 55,630.32 and 22,407.01 is: 30,919.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,314.89 : 55,630.32 = 22,407.01 : x
  2. Step 2: Convert to fraction form
    40,314.89/55,630.32 = 22,407.01/x
  3. Step 3: Cross multiply
    40,314.89x = 55,630.32 × 22,407.01
  4. Step 4: Simplify right side
    40,314.89x = 1,246,509,136.54
  5. Step 5: Solve for x
    x = 1,246,509,136.54/40,314.89
  6. Step 6: Final answer
    x = 30,919.32

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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.