Home / 40,051.85-55,269.32-22,145.81

Finding the Fourth Proportional to 40,051.85, 55,269.32 and 22,145.81

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Solution

The fourth proportional to 40,051.85, 55,269.32 and 22,145.81 is: 30,559.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,051.85 : 55,269.32 = 22,145.81 : x
  2. Step 2: Convert to fraction form
    40,051.85/55,269.32 = 22,145.81/x
  3. Step 3: Cross multiply
    40,051.85x = 55,269.32 × 22,145.81
  4. Step 4: Simplify right side
    40,051.85x = 1,223,983,472.47
  5. Step 5: Solve for x
    x = 1,223,983,472.47/40,051.85
  6. Step 6: Final answer
    x = 30,559.98

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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.