Home / 40,040.16-55,256.64-22,136.32

Finding the Fourth Proportional to 40,040.16, 55,256.64 and 22,136.32

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Solution

The fourth proportional to 40,040.16, 55,256.64 and 22,136.32 is: 30,548.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,040.16 : 55,256.64 = 22,136.32 : x
  2. Step 2: Convert to fraction form
    40,040.16/55,256.64 = 22,136.32/x
  3. Step 3: Cross multiply
    40,040.16x = 55,256.64 × 22,136.32
  4. Step 4: Simplify right side
    40,040.16x = 1,223,178,665.16
  5. Step 5: Solve for x
    x = 1,223,178,665.16/40,040.16
  6. Step 6: Final answer
    x = 30,548.80

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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.