Home / 39,982.08-55,166.40-22,985.28

Finding the Fourth Proportional to 39,982.08, 55,166.40 and 22,985.28

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Solution

The fourth proportional to 39,982.08, 55,166.40 and 22,985.28 is: 31,714.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,982.08 : 55,166.40 = 22,985.28 : x
  2. Step 2: Convert to fraction form
    39,982.08/55,166.40 = 22,985.28/x
  3. Step 3: Cross multiply
    39,982.08x = 55,166.40 × 22,985.28
  4. Step 4: Simplify right side
    39,982.08x = 1,268,015,150.59
  5. Step 5: Solve for x
    x = 1,268,015,150.59/39,982.08
  6. Step 6: Final answer
    x = 31,714.59

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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.