Home / 30,208.78-45,271.77-22,807.18

Finding the Fourth Proportional to 30,208.78, 45,271.77 and 22,807.18

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Solution

The fourth proportional to 30,208.78, 45,271.77 and 22,807.18 is: 34,179.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,208.78 : 45,271.77 = 22,807.18 : x
  2. Step 2: Convert to fraction form
    30,208.78/45,271.77 = 22,807.18/x
  3. Step 3: Cross multiply
    30,208.78x = 45,271.77 × 22,807.18
  4. Step 4: Simplify right side
    30,208.78x = 1,032,521,407.31
  5. Step 5: Solve for x
    x = 1,032,521,407.31/30,208.78
  6. Step 6: Final answer
    x = 34,179.51

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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.