Home / 66,527.33-99,738-38,415.47

Finding the Fourth Proportional to 66,527.33, 99,738 and 38,415.47

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Solution

The fourth proportional to 66,527.33, 99,738 and 38,415.47 is: 57,592.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,527.33 : 99,738 = 38,415.47 : x
  2. Step 2: Convert to fraction form
    66,527.33/99,738 = 38,415.47/x
  3. Step 3: Cross multiply
    66,527.33x = 99,738 × 38,415.47
  4. Step 4: Simplify right side
    66,527.33x = 3,831,481,648.17
  5. Step 5: Solve for x
    x = 3,831,481,648.17/66,527.33
  6. Step 6: Final answer
    x = 57,592.60

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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.