Home / 43,146.95-64,710.68-16,838.15

Finding the Fourth Proportional to 43,146.95, 64,710.68 and 16,838.15

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Solution

The fourth proportional to 43,146.95, 64,710.68 and 16,838.15 is: 25,253.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,146.95 : 64,710.68 = 16,838.15 : x
  2. Step 2: Convert to fraction form
    43,146.95/64,710.68 = 16,838.15/x
  3. Step 3: Cross multiply
    43,146.95x = 64,710.68 × 16,838.15
  4. Step 4: Simplify right side
    43,146.95x = 1,089,607,728.70
  5. Step 5: Solve for x
    x = 1,089,607,728.70/43,146.95
  6. Step 6: Final answer
    x = 25,253.42

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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.