Home / 84,739.01-127,109.23-21,559.19

Finding the Fourth Proportional to 84,739.01, 127,109.23 and 21,559.19

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Solution

The fourth proportional to 84,739.01, 127,109.23 and 21,559.19 is: 32,338.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,739.01 : 127,109.23 = 21,559.19 : x
  2. Step 2: Convert to fraction form
    84,739.01/127,109.23 = 21,559.19/x
  3. Step 3: Cross multiply
    84,739.01x = 127,109.23 × 21,559.19
  4. Step 4: Simplify right side
    84,739.01x = 2,740,371,350.88
  5. Step 5: Solve for x
    x = 2,740,371,350.88/84,739.01
  6. Step 6: Final answer
    x = 32,338.96

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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.