Home / 39,927.90-55,065.51-31,967.22

Finding the Fourth Proportional to 39,927.90, 55,065.51 and 31,967.22

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Solution

The fourth proportional to 39,927.90, 55,065.51 and 31,967.22 is: 44,086.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,927.90 : 55,065.51 = 31,967.22 : x
  2. Step 2: Convert to fraction form
    39,927.90/55,065.51 = 31,967.22/x
  3. Step 3: Cross multiply
    39,927.90x = 55,065.51 × 31,967.22
  4. Step 4: Simplify right side
    39,927.90x = 1,760,291,272.58
  5. Step 5: Solve for x
    x = 1,760,291,272.58/39,927.90
  6. Step 6: Final answer
    x = 44,086.75

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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.