Home / 37,107.06-51,207.81-20,340.18

Finding the Fourth Proportional to 37,107.06, 51,207.81 and 20,340.18

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Solution

The fourth proportional to 37,107.06, 51,207.81 and 20,340.18 is: 28,069.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,107.06 : 51,207.81 = 20,340.18 : x
  2. Step 2: Convert to fraction form
    37,107.06/51,207.81 = 20,340.18/x
  3. Step 3: Cross multiply
    37,107.06x = 51,207.81 × 20,340.18
  4. Step 4: Simplify right side
    37,107.06x = 1,041,576,072.81
  5. Step 5: Solve for x
    x = 1,041,576,072.81/37,107.06
  6. Step 6: Final answer
    x = 28,069.49

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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.