Home / 37,288.45-51,458.07-20,521.45

Finding the Fourth Proportional to 37,288.45, 51,458.07 and 20,521.45

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Solution

The fourth proportional to 37,288.45, 51,458.07 and 20,521.45 is: 28,319.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,288.45 : 51,458.07 = 20,521.45 : x
  2. Step 2: Convert to fraction form
    37,288.45/51,458.07 = 20,521.45/x
  3. Step 3: Cross multiply
    37,288.45x = 51,458.07 × 20,521.45
  4. Step 4: Simplify right side
    37,288.45x = 1,055,994,107.99
  5. Step 5: Solve for x
    x = 1,055,994,107.99/37,288.45
  6. Step 6: Final answer
    x = 28,319.60

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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.