Home / 39,110.72-53,972.47-22,118.30

Finding the Fourth Proportional to 39,110.72, 53,972.47 and 22,118.30

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Solution

The fourth proportional to 39,110.72, 53,972.47 and 22,118.30 is: 30,523.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,110.72 : 53,972.47 = 22,118.30 : x
  2. Step 2: Convert to fraction form
    39,110.72/53,972.47 = 22,118.30/x
  3. Step 3: Cross multiply
    39,110.72x = 53,972.47 × 22,118.30
  4. Step 4: Simplify right side
    39,110.72x = 1,193,779,418.13
  5. Step 5: Solve for x
    x = 1,193,779,418.13/39,110.72
  6. Step 6: Final answer
    x = 30,523.07

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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.