Home / 43,009.50-64,516.68-15,307.50

Finding the Fourth Proportional to 43,009.50, 64,516.68 and 15,307.50

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Solution

The fourth proportional to 43,009.50, 64,516.68 and 15,307.50 is: 22,962.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,009.50 : 64,516.68 = 15,307.50 : x
  2. Step 2: Convert to fraction form
    43,009.50/64,516.68 = 15,307.50/x
  3. Step 3: Cross multiply
    43,009.50x = 64,516.68 × 15,307.50
  4. Step 4: Simplify right side
    43,009.50x = 987,589,079.10
  5. Step 5: Solve for x
    x = 987,589,079.10/43,009.50
  6. Step 6: Final answer
    x = 22,962.11

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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.