Home / 39,956.22-55,139.74-22,051.74

Finding the Fourth Proportional to 39,956.22, 55,139.74 and 22,051.74

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Solution

The fourth proportional to 39,956.22, 55,139.74 and 22,051.74 is: 30,431.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,956.22 : 55,139.74 = 22,051.74 : x
  2. Step 2: Convert to fraction form
    39,956.22/55,139.74 = 22,051.74/x
  3. Step 3: Cross multiply
    39,956.22x = 55,139.74 × 22,051.74
  4. Step 4: Simplify right side
    39,956.22x = 1,215,927,210.15
  5. Step 5: Solve for x
    x = 1,215,927,210.15/39,956.22
  6. Step 6: Final answer
    x = 30,431.49

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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.