Home / 29,309.14-43,988.32-12,681.87

Finding the Fourth Proportional to 29,309.14, 43,988.32 and 12,681.87

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Solution

The fourth proportional to 29,309.14, 43,988.32 and 12,681.87 is: 19,033.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,309.14 : 43,988.32 = 12,681.87 : x
  2. Step 2: Convert to fraction form
    29,309.14/43,988.32 = 12,681.87/x
  3. Step 3: Cross multiply
    29,309.14x = 43,988.32 × 12,681.87
  4. Step 4: Simplify right side
    29,309.14x = 557,853,935.32
  5. Step 5: Solve for x
    x = 557,853,935.32/29,309.14
  6. Step 6: Final answer
    x = 19,033.45

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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.