Home / 37,394.69-51,603.72-20,399.32

Finding the Fourth Proportional to 37,394.69, 51,603.72 and 20,399.32

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Solution

The fourth proportional to 37,394.69, 51,603.72 and 20,399.32 is: 28,150.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,394.69 : 51,603.72 = 20,399.32 : x
  2. Step 2: Convert to fraction form
    37,394.69/51,603.72 = 20,399.32/x
  3. Step 3: Cross multiply
    37,394.69x = 51,603.72 × 20,399.32
  4. Step 4: Simplify right side
    37,394.69x = 1,052,680,785.48
  5. Step 5: Solve for x
    x = 1,052,680,785.48/37,394.69
  6. Step 6: Final answer
    x = 28,150.55

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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.