Home / 37,557-51,829.47-20,561.85

Finding the Fourth Proportional to 37,557, 51,829.47 and 20,561.85

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Solution

The fourth proportional to 37,557, 51,829.47 and 20,561.85 is: 28,375.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,557 : 51,829.47 = 20,561.85 : x
  2. Step 2: Convert to fraction form
    37,557/51,829.47 = 20,561.85/x
  3. Step 3: Cross multiply
    37,557x = 51,829.47 × 20,561.85
  4. Step 4: Simplify right side
    37,557x = 1,065,709,787.72
  5. Step 5: Solve for x
    x = 1,065,709,787.72/37,557
  6. Step 6: Final answer
    x = 28,375.80

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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.