Home / 55,210.11-82,813.40-15,767.20

Finding the Fourth Proportional to 55,210.11, 82,813.40 and 15,767.20

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Solution

The fourth proportional to 55,210.11, 82,813.40 and 15,767.20 is: 23,650.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,210.11 : 82,813.40 = 15,767.20 : x
  2. Step 2: Convert to fraction form
    55,210.11/82,813.40 = 15,767.20/x
  3. Step 3: Cross multiply
    55,210.11x = 82,813.40 × 15,767.20
  4. Step 4: Simplify right side
    55,210.11x = 1,305,735,026.41
  5. Step 5: Solve for x
    x = 1,305,735,026.41/55,210.11
  6. Step 6: Final answer
    x = 23,650.29

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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.