Home / 39,158.69-54,039.80-22,162.93

Finding the Fourth Proportional to 39,158.69, 54,039.80 and 22,162.93

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Solution

The fourth proportional to 39,158.69, 54,039.80 and 22,162.93 is: 30,585.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,158.69 : 54,039.80 = 22,162.93 : x
  2. Step 2: Convert to fraction form
    39,158.69/54,039.80 = 22,162.93/x
  3. Step 3: Cross multiply
    39,158.69x = 54,039.80 × 22,162.93
  4. Step 4: Simplify right side
    39,158.69x = 1,197,680,224.92
  5. Step 5: Solve for x
    x = 1,197,680,224.92/39,158.69
  6. Step 6: Final answer
    x = 30,585.30

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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.