Home / 43,011.74-64,506.67-13,432.56

Finding the Fourth Proportional to 43,011.74, 64,506.67 and 13,432.56

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Solution

The fourth proportional to 43,011.74, 64,506.67 and 13,432.56 is: 20,145.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,011.74 : 64,506.67 = 13,432.56 : x
  2. Step 2: Convert to fraction form
    43,011.74/64,506.67 = 13,432.56/x
  3. Step 3: Cross multiply
    43,011.74x = 64,506.67 × 13,432.56
  4. Step 4: Simplify right side
    43,011.74x = 866,489,715.18
  5. Step 5: Solve for x
    x = 866,489,715.18/43,011.74
  6. Step 6: Final answer
    x = 20,145.42

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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.