Home / 37,393.28-51,603.05-20,397.59

Finding the Fourth Proportional to 37,393.28, 51,603.05 and 20,397.59

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Solution

The fourth proportional to 37,393.28, 51,603.05 and 20,397.59 is: 28,148.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,393.28 : 51,603.05 = 20,397.59 : x
  2. Step 2: Convert to fraction form
    37,393.28/51,603.05 = 20,397.59/x
  3. Step 3: Cross multiply
    37,393.28x = 51,603.05 × 20,397.59
  4. Step 4: Simplify right side
    37,393.28x = 1,052,578,076.04
  5. Step 5: Solve for x
    x = 1,052,578,076.04/37,393.28
  6. Step 6: Final answer
    x = 28,148.86

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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.