Home / 40,040.63-55,255.62-22,135.93

Finding the Fourth Proportional to 40,040.63, 55,255.62 and 22,135.93

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Solution

The fourth proportional to 40,040.63, 55,255.62 and 22,135.93 is: 30,547.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,040.63 : 55,255.62 = 22,135.93 : x
  2. Step 2: Convert to fraction form
    40,040.63/55,255.62 = 22,135.93/x
  3. Step 3: Cross multiply
    40,040.63x = 55,255.62 × 22,135.93
  4. Step 4: Simplify right side
    40,040.63x = 1,223,134,667.60
  5. Step 5: Solve for x
    x = 1,223,134,667.60/40,040.63
  6. Step 6: Final answer
    x = 30,547.34

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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.