Home / 60,678.69-91,059.02-21,236.14

Finding the Fourth Proportional to 60,678.69, 91,059.02 and 21,236.14

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Solution

The fourth proportional to 60,678.69, 91,059.02 and 21,236.14 is: 31,868.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,678.69 : 91,059.02 = 21,236.14 : x
  2. Step 2: Convert to fraction form
    60,678.69/91,059.02 = 21,236.14/x
  3. Step 3: Cross multiply
    60,678.69x = 91,059.02 × 21,236.14
  4. Step 4: Simplify right side
    60,678.69x = 1,933,742,096.98
  5. Step 5: Solve for x
    x = 1,933,742,096.98/60,678.69
  6. Step 6: Final answer
    x = 31,868.55

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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.