Home / 37,518.10-51,772.80-20,519.17

Finding the Fourth Proportional to 37,518.10, 51,772.80 and 20,519.17

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Solution

The fourth proportional to 37,518.10, 51,772.80 and 20,519.17 is: 28,315.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,518.10 : 51,772.80 = 20,519.17 : x
  2. Step 2: Convert to fraction form
    37,518.10/51,772.80 = 20,519.17/x
  3. Step 3: Cross multiply
    37,518.10x = 51,772.80 × 20,519.17
  4. Step 4: Simplify right side
    37,518.10x = 1,062,334,884.58
  5. Step 5: Solve for x
    x = 1,062,334,884.58/37,518.10
  6. Step 6: Final answer
    x = 28,315.26

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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.