Home / 39,927.72-55,095.87-22,021.59

Finding the Fourth Proportional to 39,927.72, 55,095.87 and 22,021.59

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Solution

The fourth proportional to 39,927.72, 55,095.87 and 22,021.59 is: 30,387.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,927.72 : 55,095.87 = 22,021.59 : x
  2. Step 2: Convert to fraction form
    39,927.72/55,095.87 = 22,021.59/x
  3. Step 3: Cross multiply
    39,927.72x = 55,095.87 × 22,021.59
  4. Step 4: Simplify right side
    39,927.72x = 1,213,298,384.35
  5. Step 5: Solve for x
    x = 1,213,298,384.35/39,927.72
  6. Step 6: Final answer
    x = 30,387.37

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1.5x scale

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.