Home / 55,141.05-82,712.07-15,698.15

Finding the Fourth Proportional to 55,141.05, 82,712.07 and 15,698.15

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Solution

The fourth proportional to 55,141.05, 82,712.07 and 15,698.15 is: 23,547.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,141.05 : 82,712.07 = 15,698.15 : x
  2. Step 2: Convert to fraction form
    55,141.05/82,712.07 = 15,698.15/x
  3. Step 3: Cross multiply
    55,141.05x = 82,712.07 × 15,698.15
  4. Step 4: Simplify right side
    55,141.05x = 1,298,426,068.11
  5. Step 5: Solve for x
    x = 1,298,426,068.11/55,141.05
  6. Step 6: Final answer
    x = 23,547.36

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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.