Home / 43,011.84-64,532.92-13,437.12

Finding the Fourth Proportional to 43,011.84, 64,532.92 and 13,437.12

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Solution

The fourth proportional to 43,011.84, 64,532.92 and 13,437.12 is: 20,160.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,011.84 : 64,532.92 = 13,437.12 : x
  2. Step 2: Convert to fraction form
    43,011.84/64,532.92 = 13,437.12/x
  3. Step 3: Cross multiply
    43,011.84x = 64,532.92 × 13,437.12
  4. Step 4: Simplify right side
    43,011.84x = 867,136,589.99
  5. Step 5: Solve for x
    x = 867,136,589.99/43,011.84
  6. Step 6: Final answer
    x = 20,160.42

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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.