Home / 61,145.10-91,730.37-19,028.22

Finding the Fourth Proportional to 61,145.10, 91,730.37 and 19,028.22

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Solution

The fourth proportional to 61,145.10, 91,730.37 and 19,028.22 is: 28,546.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,145.10 : 91,730.37 = 19,028.22 : x
  2. Step 2: Convert to fraction form
    61,145.10/91,730.37 = 19,028.22/x
  3. Step 3: Cross multiply
    61,145.10x = 91,730.37 × 19,028.22
  4. Step 4: Simplify right side
    61,145.10x = 1,745,465,661.04
  5. Step 5: Solve for x
    x = 1,745,465,661.04/61,145.10
  6. Step 6: Final answer
    x = 28,546.29

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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.