Home / 43,042.14-64,566.94-11,877.40

Finding the Fourth Proportional to 43,042.14, 64,566.94 and 11,877.40

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Solution

The fourth proportional to 43,042.14, 64,566.94 and 11,877.40 is: 17,817.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,042.14 : 64,566.94 = 11,877.40 : x
  2. Step 2: Convert to fraction form
    43,042.14/64,566.94 = 11,877.40/x
  3. Step 3: Cross multiply
    43,042.14x = 64,566.94 × 11,877.40
  4. Step 4: Simplify right side
    43,042.14x = 766,887,373.16
  5. Step 5: Solve for x
    x = 766,887,373.16/43,042.14
  6. Step 6: Final answer
    x = 17,817.13

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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.