Home / 39,287.90-58,941.00-11,208.34

Finding the Fourth Proportional to 39,287.90, 58,941.00 and 11,208.34

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Solution

The fourth proportional to 39,287.90, 58,941.00 and 11,208.34 is: 16,815.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,287.90 : 58,941.00 = 11,208.34 : x
  2. Step 2: Convert to fraction form
    39,287.90/58,941.00 = 11,208.34/x
  3. Step 3: Cross multiply
    39,287.90x = 58,941.00 × 11,208.34
  4. Step 4: Simplify right side
    39,287.90x = 660,630,417.19
  5. Step 5: Solve for x
    x = 660,630,417.19/39,287.90
  6. Step 6: Final answer
    x = 16,815.11

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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.