Home / 43,042.10-64,566.86-11,877.35

Finding the Fourth Proportional to 43,042.10, 64,566.86 and 11,877.35

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Solution

The fourth proportional to 43,042.10, 64,566.86 and 11,877.35 is: 17,817.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,042.10 : 64,566.86 = 11,877.35 : x
  2. Step 2: Convert to fraction form
    43,042.10/64,566.86 = 11,877.35/x
  3. Step 3: Cross multiply
    43,042.10x = 64,566.86 × 11,877.35
  4. Step 4: Simplify right side
    43,042.10x = 766,882,812.40
  5. Step 5: Solve for x
    x = 766,882,812.40/43,042.10
  6. Step 6: Final answer
    x = 17,817.04

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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.