Home / 37,378.03-51,582.09-20,382.13

Finding the Fourth Proportional to 37,378.03, 51,582.09 and 20,382.13

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Solution

The fourth proportional to 37,378.03, 51,582.09 and 20,382.13 is: 28,127.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,378.03 : 51,582.09 = 20,382.13 : x
  2. Step 2: Convert to fraction form
    37,378.03/51,582.09 = 20,382.13/x
  3. Step 3: Cross multiply
    37,378.03x = 51,582.09 × 20,382.13
  4. Step 4: Simplify right side
    37,378.03x = 1,051,352,864.05
  5. Step 5: Solve for x
    x = 1,051,352,864.05/37,378.03
  6. Step 6: Final answer
    x = 28,127.56

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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.