Home / 37,111.20-55,661.40-10,813.20

Finding the Fourth Proportional to 37,111.20, 55,661.40 and 10,813.20

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Solution

The fourth proportional to 37,111.20, 55,661.40 and 10,813.20 is: 16,218.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,111.20 : 55,661.40 = 10,813.20 : x
  2. Step 2: Convert to fraction form
    37,111.20/55,661.40 = 10,813.20/x
  3. Step 3: Cross multiply
    37,111.20x = 55,661.40 × 10,813.20
  4. Step 4: Simplify right side
    37,111.20x = 601,877,850.48
  5. Step 5: Solve for x
    x = 601,877,850.48/37,111.20
  6. Step 6: Final answer
    x = 16,218.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.