Home / 37,122.08-51,227.84-20,989.13

Finding the Fourth Proportional to 37,122.08, 51,227.84 and 20,989.13

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Solution

The fourth proportional to 37,122.08, 51,227.84 and 20,989.13 is: 28,964.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,122.08 : 51,227.84 = 20,989.13 : x
  2. Step 2: Convert to fraction form
    37,122.08/51,227.84 = 20,989.13/x
  3. Step 3: Cross multiply
    37,122.08x = 51,227.84 × 20,989.13
  4. Step 4: Simplify right side
    37,122.08x = 1,075,227,589.71
  5. Step 5: Solve for x
    x = 1,075,227,589.71/37,122.08
  6. Step 6: Final answer
    x = 28,964.64

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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.