Home / 39,967.80-55,154.80-22,063.36

Finding the Fourth Proportional to 39,967.80, 55,154.80 and 22,063.36

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Solution

The fourth proportional to 39,967.80, 55,154.80 and 22,063.36 is: 30,447.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,967.80 : 55,154.80 = 22,063.36 : x
  2. Step 2: Convert to fraction form
    39,967.80/55,154.80 = 22,063.36/x
  3. Step 3: Cross multiply
    39,967.80x = 55,154.80 × 22,063.36
  4. Step 4: Simplify right side
    39,967.80x = 1,216,900,208.13
  5. Step 5: Solve for x
    x = 1,216,900,208.13/39,967.80
  6. Step 6: Final answer
    x = 30,447.02

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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.