Home / 37,890.79-56,763.45-21,200.27

Finding the Fourth Proportional to 37,890.79, 56,763.45 and 21,200.27

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Solution

The fourth proportional to 37,890.79, 56,763.45 and 21,200.27 is: 31,759.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,890.79 : 56,763.45 = 21,200.27 : x
  2. Step 2: Convert to fraction form
    37,890.79/56,763.45 = 21,200.27/x
  3. Step 3: Cross multiply
    37,890.79x = 56,763.45 × 21,200.27
  4. Step 4: Simplify right side
    37,890.79x = 1,203,400,182.31
  5. Step 5: Solve for x
    x = 1,203,400,182.31/37,890.79
  6. Step 6: Final answer
    x = 31,759.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.