Home / 37,370.12-51,570.80-20,603.12

Finding the Fourth Proportional to 37,370.12, 51,570.80 and 20,603.12

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Solution

The fourth proportional to 37,370.12, 51,570.80 and 20,603.12 is: 28,432.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,370.12 : 51,570.80 = 20,603.12 : x
  2. Step 2: Convert to fraction form
    37,370.12/51,570.80 = 20,603.12/x
  3. Step 3: Cross multiply
    37,370.12x = 51,570.80 × 20,603.12
  4. Step 4: Simplify right side
    37,370.12x = 1,062,519,380.90
  5. Step 5: Solve for x
    x = 1,062,519,380.90/37,370.12
  6. Step 6: Final answer
    x = 28,432.32

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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.