Home / 34,998.47-48,298.54-20,859.51

Finding the Fourth Proportional to 34,998.47, 48,298.54 and 20,859.51

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Solution

The fourth proportional to 34,998.47, 48,298.54 and 20,859.51 is: 28,786.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,998.47 : 48,298.54 = 20,859.51 : x
  2. Step 2: Convert to fraction form
    34,998.47/48,298.54 = 20,859.51/x
  3. Step 3: Cross multiply
    34,998.47x = 48,298.54 × 20,859.51
  4. Step 4: Simplify right side
    34,998.47x = 1,007,483,878.12
  5. Step 5: Solve for x
    x = 1,007,483,878.12/34,998.47
  6. Step 6: Final answer
    x = 28,786.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.