Home / 40,031.09-55,237.01-22,803.61

Finding the Fourth Proportional to 40,031.09, 55,237.01 and 22,803.61

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Solution

The fourth proportional to 40,031.09, 55,237.01 and 22,803.61 is: 31,465.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,031.09 : 55,237.01 = 22,803.61 : x
  2. Step 2: Convert to fraction form
    40,031.09/55,237.01 = 22,803.61/x
  3. Step 3: Cross multiply
    40,031.09x = 55,237.01 × 22,803.61
  4. Step 4: Simplify right side
    40,031.09x = 1,259,603,213.34
  5. Step 5: Solve for x
    x = 1,259,603,213.34/40,031.09
  6. Step 6: Final answer
    x = 31,465.62

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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.