Home / 50,731.18-76,109.75-29,688.94

Finding the Fourth Proportional to 50,731.18, 76,109.75 and 29,688.94

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Solution

The fourth proportional to 50,731.18, 76,109.75 and 29,688.94 is: 44,541.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,731.18 : 76,109.75 = 29,688.94 : x
  2. Step 2: Convert to fraction form
    50,731.18/76,109.75 = 29,688.94/x
  3. Step 3: Cross multiply
    50,731.18x = 76,109.75 × 29,688.94
  4. Step 4: Simplify right side
    50,731.18x = 2,259,617,801.17
  5. Step 5: Solve for x
    x = 2,259,617,801.17/50,731.18
  6. Step 6: Final answer
    x = 44,541.01

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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.