Home / 40,190.19-55,465.59-22,288.69

Finding the Fourth Proportional to 40,190.19, 55,465.59 and 22,288.69

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Solution

The fourth proportional to 40,190.19, 55,465.59 and 22,288.69 is: 30,760.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,190.19 : 55,465.59 = 22,288.69 : x
  2. Step 2: Convert to fraction form
    40,190.19/55,465.59 = 22,288.69/x
  3. Step 3: Cross multiply
    40,190.19x = 55,465.59 × 22,288.69
  4. Step 4: Simplify right side
    40,190.19x = 1,236,255,341.18
  5. Step 5: Solve for x
    x = 1,236,255,341.18/40,190.19
  6. Step 6: Final answer
    x = 30,760.13

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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.