Home / 39,917.08-55,088.04-22,012.06

Finding the Fourth Proportional to 39,917.08, 55,088.04 and 22,012.06

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Solution

The fourth proportional to 39,917.08, 55,088.04 and 22,012.06 is: 30,378.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,917.08 : 55,088.04 = 22,012.06 : x
  2. Step 2: Convert to fraction form
    39,917.08/55,088.04 = 22,012.06/x
  3. Step 3: Cross multiply
    39,917.08x = 55,088.04 × 22,012.06
  4. Step 4: Simplify right side
    39,917.08x = 1,212,601,241.76
  5. Step 5: Solve for x
    x = 1,212,601,241.76/39,917.08
  6. Step 6: Final answer
    x = 30,378.00

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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.