Home / 66,378.18-99,585.73-28,941.53

Finding the Fourth Proportional to 66,378.18, 99,585.73 and 28,941.53

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Solution

The fourth proportional to 66,378.18, 99,585.73 and 28,941.53 is: 43,420.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,378.18 : 99,585.73 = 28,941.53 : x
  2. Step 2: Convert to fraction form
    66,378.18/99,585.73 = 28,941.53/x
  3. Step 3: Cross multiply
    66,378.18x = 99,585.73 × 28,941.53
  4. Step 4: Simplify right side
    66,378.18x = 2,882,163,129.30
  5. Step 5: Solve for x
    x = 2,882,163,129.30/66,378.18
  6. Step 6: Final answer
    x = 43,420.34

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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.