Home / 40,746.99-61,133.81-19,689.46

Finding the Fourth Proportional to 40,746.99, 61,133.81 and 19,689.46

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Solution

The fourth proportional to 40,746.99, 61,133.81 and 19,689.46 is: 29,540.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,746.99 : 61,133.81 = 19,689.46 : x
  2. Step 2: Convert to fraction form
    40,746.99/61,133.81 = 19,689.46/x
  3. Step 3: Cross multiply
    40,746.99x = 61,133.81 × 19,689.46
  4. Step 4: Simplify right side
    40,746.99x = 1,203,691,455.36
  5. Step 5: Solve for x
    x = 1,203,691,455.36/40,746.99
  6. Step 6: Final answer
    x = 29,540.62

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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.