Home / 37,509.12-51,759.36-20,737.92

Finding the Fourth Proportional to 37,509.12, 51,759.36 and 20,737.92

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Solution

The fourth proportional to 37,509.12, 51,759.36 and 20,737.92 is: 28,616.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,509.12 : 51,759.36 = 20,737.92 : x
  2. Step 2: Convert to fraction form
    37,509.12/51,759.36 = 20,737.92/x
  3. Step 3: Cross multiply
    37,509.12x = 51,759.36 × 20,737.92
  4. Step 4: Simplify right side
    37,509.12x = 1,073,381,466.93
  5. Step 5: Solve for x
    x = 1,073,381,466.93/37,509.12
  6. Step 6: Final answer
    x = 28,616.55

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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.