Home / 39,888.36-55,041.48-22,888.08

Finding the Fourth Proportional to 39,888.36, 55,041.48 and 22,888.08

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Solution

The fourth proportional to 39,888.36, 55,041.48 and 22,888.08 is: 31,582.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,888.36 : 55,041.48 = 22,888.08 : x
  2. Step 2: Convert to fraction form
    39,888.36/55,041.48 = 22,888.08/x
  3. Step 3: Cross multiply
    39,888.36x = 55,041.48 × 22,888.08
  4. Step 4: Simplify right side
    39,888.36x = 1,259,793,797.56
  5. Step 5: Solve for x
    x = 1,259,793,797.56/39,888.36
  6. Step 6: Final answer
    x = 31,582.99

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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.