Home / 37,528.80-51,789.36-20,761.92

Finding the Fourth Proportional to 37,528.80, 51,789.36 and 20,761.92

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Solution

The fourth proportional to 37,528.80, 51,789.36 and 20,761.92 is: 28,651.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,528.80 : 51,789.36 = 20,761.92 : x
  2. Step 2: Convert to fraction form
    37,528.80/51,789.36 = 20,761.92/x
  3. Step 3: Cross multiply
    37,528.80x = 51,789.36 × 20,761.92
  4. Step 4: Simplify right side
    37,528.80x = 1,075,246,549.17
  5. Step 5: Solve for x
    x = 1,075,246,549.17/37,528.80
  6. Step 6: Final answer
    x = 28,651.24

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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.