Home / 37,392.97-51,603.27-20,397.50

Finding the Fourth Proportional to 37,392.97, 51,603.27 and 20,397.50

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Solution

The fourth proportional to 37,392.97, 51,603.27 and 20,397.50 is: 28,149.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,392.97 : 51,603.27 = 20,397.50 : x
  2. Step 2: Convert to fraction form
    37,392.97/51,603.27 = 20,397.50/x
  3. Step 3: Cross multiply
    37,392.97x = 51,603.27 × 20,397.50
  4. Step 4: Simplify right side
    37,392.97x = 1,052,577,699.83
  5. Step 5: Solve for x
    x = 1,052,577,699.83/37,392.97
  6. Step 6: Final answer
    x = 28,149.08

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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.