Home / 55,998.20-84,029.70-20,941.40

Finding the Fourth Proportional to 55,998.20, 84,029.70 and 20,941.40

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Solution

The fourth proportional to 55,998.20, 84,029.70 and 20,941.40 is: 31,424.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,998.20 : 84,029.70 = 20,941.40 : x
  2. Step 2: Convert to fraction form
    55,998.20/84,029.70 = 20,941.40/x
  3. Step 3: Cross multiply
    55,998.20x = 84,029.70 × 20,941.40
  4. Step 4: Simplify right side
    55,998.20x = 1,759,699,559.58
  5. Step 5: Solve for x
    x = 1,759,699,559.58/55,998.20
  6. Step 6: Final answer
    x = 31,424.22

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1.5x scale

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.