Home / 50,486.17-75,742.89-15,424.87

Finding the Fourth Proportional to 50,486.17, 75,742.89 and 15,424.87

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Solution

The fourth proportional to 50,486.17, 75,742.89 and 15,424.87 is: 23,141.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,486.17 : 75,742.89 = 15,424.87 : x
  2. Step 2: Convert to fraction form
    50,486.17/75,742.89 = 15,424.87/x
  3. Step 3: Cross multiply
    50,486.17x = 75,742.89 × 15,424.87
  4. Step 4: Simplify right side
    50,486.17x = 1,168,323,984.47
  5. Step 5: Solve for x
    x = 1,168,323,984.47/50,486.17
  6. Step 6: Final answer
    x = 23,141.47

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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.