Home / 40,045.08-55,263.36-22,141.76

Finding the Fourth Proportional to 40,045.08, 55,263.36 and 22,141.76

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Solution

The fourth proportional to 40,045.08, 55,263.36 and 22,141.76 is: 30,556.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,045.08 : 55,263.36 = 22,141.76 : x
  2. Step 2: Convert to fraction form
    40,045.08/55,263.36 = 22,141.76/x
  3. Step 3: Cross multiply
    40,045.08x = 55,263.36 × 22,141.76
  4. Step 4: Simplify right side
    40,045.08x = 1,223,627,860.63
  5. Step 5: Solve for x
    x = 1,223,627,860.63/40,045.08
  6. Step 6: Final answer
    x = 30,556.26

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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.