Home / 39,919.71-55,088.11-22,014.39

Finding the Fourth Proportional to 39,919.71, 55,088.11 and 22,014.39

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Solution

The fourth proportional to 39,919.71, 55,088.11 and 22,014.39 is: 30,379.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,919.71 : 55,088.11 = 22,014.39 : x
  2. Step 2: Convert to fraction form
    39,919.71/55,088.11 = 22,014.39/x
  3. Step 3: Cross multiply
    39,919.71x = 55,088.11 × 22,014.39
  4. Step 4: Simplify right side
    39,919.71x = 1,212,730,807.43
  5. Step 5: Solve for x
    x = 1,212,730,807.43/39,919.71
  6. Step 6: Final answer
    x = 30,379.25

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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.