Home / 55,579.21-83,379.35-22,301.90

Finding the Fourth Proportional to 55,579.21, 83,379.35 and 22,301.90

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Solution

The fourth proportional to 55,579.21, 83,379.35 and 22,301.90 is: 33,457.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,579.21 : 83,379.35 = 22,301.90 : x
  2. Step 2: Convert to fraction form
    55,579.21/83,379.35 = 22,301.90/x
  3. Step 3: Cross multiply
    55,579.21x = 83,379.35 × 22,301.90
  4. Step 4: Simplify right side
    55,579.21x = 1,859,517,925.77
  5. Step 5: Solve for x
    x = 1,859,517,925.77/55,579.21
  6. Step 6: Final answer
    x = 33,457.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.