Home / 42,226.68-63,358.44-20,055.72

Finding the Fourth Proportional to 42,226.68, 63,358.44 and 20,055.72

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Solution

The fourth proportional to 42,226.68, 63,358.44 and 20,055.72 is: 30,092.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,226.68 : 63,358.44 = 20,055.72 : x
  2. Step 2: Convert to fraction form
    42,226.68/63,358.44 = 20,055.72/x
  3. Step 3: Cross multiply
    42,226.68x = 63,358.44 × 20,055.72
  4. Step 4: Simplify right side
    42,226.68x = 1,270,699,132.28
  5. Step 5: Solve for x
    x = 1,270,699,132.28/42,226.68
  6. Step 6: Final answer
    x = 30,092.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.