Home / 39,849.99-54,991.22-22,842.05

Finding the Fourth Proportional to 39,849.99, 54,991.22 and 22,842.05

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Solution

The fourth proportional to 39,849.99, 54,991.22 and 22,842.05 is: 31,521.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,849.99 : 54,991.22 = 22,842.05 : x
  2. Step 2: Convert to fraction form
    39,849.99/54,991.22 = 22,842.05/x
  3. Step 3: Cross multiply
    39,849.99x = 54,991.22 × 22,842.05
  4. Step 4: Simplify right side
    39,849.99x = 1,256,111,807.63
  5. Step 5: Solve for x
    x = 1,256,111,807.63/39,849.99
  6. Step 6: Final answer
    x = 31,521.01

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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.