Home / 40,503.47-55,893.48-22,105.87

Finding the Fourth Proportional to 40,503.47, 55,893.48 and 22,105.87

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Solution

The fourth proportional to 40,503.47, 55,893.48 and 22,105.87 is: 30,505.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,503.47 : 55,893.48 = 22,105.87 : x
  2. Step 2: Convert to fraction form
    40,503.47/55,893.48 = 22,105.87/x
  3. Step 3: Cross multiply
    40,503.47x = 55,893.48 × 22,105.87
  4. Step 4: Simplify right side
    40,503.47x = 1,235,573,780.10
  5. Step 5: Solve for x
    x = 1,235,573,780.10/40,503.47
  6. Step 6: Final answer
    x = 30,505.38

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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.