Home / 74,011.84-111,035.99-21,426.64

Finding the Fourth Proportional to 74,011.84, 111,035.99 and 21,426.64

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Solution

The fourth proportional to 74,011.84, 111,035.99 and 21,426.64 is: 32,145.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,011.84 : 111,035.99 = 21,426.64 : x
  2. Step 2: Convert to fraction form
    74,011.84/111,035.99 = 21,426.64/x
  3. Step 3: Cross multiply
    74,011.84x = 111,035.99 × 21,426.64
  4. Step 4: Simplify right side
    74,011.84x = 2,379,128,184.77
  5. Step 5: Solve for x
    x = 2,379,128,184.77/74,011.84
  6. Step 6: Final answer
    x = 32,145.24

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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.