Home / 74,017.13-111,026.84-21,426.80

Finding the Fourth Proportional to 74,017.13, 111,026.84 and 21,426.80

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Solution

The fourth proportional to 74,017.13, 111,026.84 and 21,426.80 is: 32,140.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,017.13 : 111,026.84 = 21,426.80 : x
  2. Step 2: Convert to fraction form
    74,017.13/111,026.84 = 21,426.80/x
  3. Step 3: Cross multiply
    74,017.13x = 111,026.84 × 21,426.80
  4. Step 4: Simplify right side
    74,017.13x = 2,378,949,233.04
  5. Step 5: Solve for x
    x = 2,378,949,233.04/74,017.13
  6. Step 6: Final answer
    x = 32,140.52

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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.