Home / 35,469.19-48,939.01-20,152.36

Finding the Fourth Proportional to 35,469.19, 48,939.01 and 20,152.36

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Solution

The fourth proportional to 35,469.19, 48,939.01 and 20,152.36 is: 27,805.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,469.19 : 48,939.01 = 20,152.36 : x
  2. Step 2: Convert to fraction form
    35,469.19/48,939.01 = 20,152.36/x
  3. Step 3: Cross multiply
    35,469.19x = 48,939.01 × 20,152.36
  4. Step 4: Simplify right side
    35,469.19x = 986,236,547.56
  5. Step 5: Solve for x
    x = 986,236,547.56/35,469.19
  6. Step 6: Final answer
    x = 27,805.44

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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.