Home / 40,307.08-55,623.72-22,401.52

Finding the Fourth Proportional to 40,307.08, 55,623.72 and 22,401.52

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Solution

The fourth proportional to 40,307.08, 55,623.72 and 22,401.52 is: 30,914.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,307.08 : 55,623.72 = 22,401.52 : x
  2. Step 2: Convert to fraction form
    40,307.08/55,623.72 = 22,401.52/x
  3. Step 3: Cross multiply
    40,307.08x = 55,623.72 × 22,401.52
  4. Step 4: Simplify right side
    40,307.08x = 1,246,055,876.05
  5. Step 5: Solve for x
    x = 1,246,055,876.05/40,307.08
  6. Step 6: Final answer
    x = 30,914.07

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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.