Home / 39,919.64-55,088.20-22,014.32

Finding the Fourth Proportional to 39,919.64, 55,088.20 and 22,014.32

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Solution

The fourth proportional to 39,919.64, 55,088.20 and 22,014.32 is: 30,379.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,919.64 : 55,088.20 = 22,014.32 : x
  2. Step 2: Convert to fraction form
    39,919.64/55,088.20 = 22,014.32/x
  3. Step 3: Cross multiply
    39,919.64x = 55,088.20 × 22,014.32
  4. Step 4: Simplify right side
    39,919.64x = 1,212,729,263.02
  5. Step 5: Solve for x
    x = 1,212,729,263.02/39,919.64
  6. Step 6: Final answer
    x = 30,379.26

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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.