Home / 76,431.65-114,654.76-29,688.17

Finding the Fourth Proportional to 76,431.65, 114,654.76 and 29,688.17

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Solution

The fourth proportional to 76,431.65, 114,654.76 and 29,688.17 is: 44,535.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,431.65 : 114,654.76 = 29,688.17 : x
  2. Step 2: Convert to fraction form
    76,431.65/114,654.76 = 29,688.17/x
  3. Step 3: Cross multiply
    76,431.65x = 114,654.76 × 29,688.17
  4. Step 4: Simplify right side
    76,431.65x = 3,403,889,358.69
  5. Step 5: Solve for x
    x = 3,403,889,358.69/76,431.65
  6. Step 6: Final answer
    x = 44,535.08

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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.