Home / 40,225.11-55,507.98-22,319.52

Finding the Fourth Proportional to 40,225.11, 55,507.98 and 22,319.52

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Solution

The fourth proportional to 40,225.11, 55,507.98 and 22,319.52 is: 30,799.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,225.11 : 55,507.98 = 22,319.52 : x
  2. Step 2: Convert to fraction form
    40,225.11/55,507.98 = 22,319.52/x
  3. Step 3: Cross multiply
    40,225.11x = 55,507.98 × 22,319.52
  4. Step 4: Simplify right side
    40,225.11x = 1,238,911,469.77
  5. Step 5: Solve for x
    x = 1,238,911,469.77/40,225.11
  6. Step 6: Final answer
    x = 30,799.46

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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.