Home / 42,448.26-63,575.42-20,277.32

Finding the Fourth Proportional to 42,448.26, 63,575.42 and 20,277.32

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Solution

The fourth proportional to 42,448.26, 63,575.42 and 20,277.32 is: 30,369.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,448.26 : 63,575.42 = 20,277.32 : x
  2. Step 2: Convert to fraction form
    42,448.26/63,575.42 = 20,277.32/x
  3. Step 3: Cross multiply
    42,448.26x = 63,575.42 × 20,277.32
  4. Step 4: Simplify right side
    42,448.26x = 1,289,139,135.47
  5. Step 5: Solve for x
    x = 1,289,139,135.47/42,448.26
  6. Step 6: Final answer
    x = 30,369.66

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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.