Home / 43,077.62-64,616.25-11,487.62

Finding the Fourth Proportional to 43,077.62, 64,616.25 and 11,487.62

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Solution

The fourth proportional to 43,077.62, 64,616.25 and 11,487.62 is: 17,231.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,077.62 : 64,616.25 = 11,487.62 : x
  2. Step 2: Convert to fraction form
    43,077.62/64,616.25 = 11,487.62/x
  3. Step 3: Cross multiply
    43,077.62x = 64,616.25 × 11,487.62
  4. Step 4: Simplify right side
    43,077.62x = 742,286,925.83
  5. Step 5: Solve for x
    x = 742,286,925.83/43,077.62
  6. Step 6: Final answer
    x = 17,231.38

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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.