Home / 40,419.48-55,776.68-22,269.60

Finding the Fourth Proportional to 40,419.48, 55,776.68 and 22,269.60

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Solution

The fourth proportional to 40,419.48, 55,776.68 and 22,269.60 is: 30,730.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,419.48 : 55,776.68 = 22,269.60 : x
  2. Step 2: Convert to fraction form
    40,419.48/55,776.68 = 22,269.60/x
  3. Step 3: Cross multiply
    40,419.48x = 55,776.68 × 22,269.60
  4. Step 4: Simplify right side
    40,419.48x = 1,242,124,352.93
  5. Step 5: Solve for x
    x = 1,242,124,352.93/40,419.48
  6. Step 6: Final answer
    x = 30,730.83

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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.