Home / 29,979.84-44,979.36-14,398.56

Finding the Fourth Proportional to 29,979.84, 44,979.36 and 14,398.56

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Solution

The fourth proportional to 29,979.84, 44,979.36 and 14,398.56 is: 21,602.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,979.84 : 44,979.36 = 14,398.56 : x
  2. Step 2: Convert to fraction form
    29,979.84/44,979.36 = 14,398.56/x
  3. Step 3: Cross multiply
    29,979.84x = 44,979.36 × 14,398.56
  4. Step 4: Simplify right side
    29,979.84x = 647,638,013.72
  5. Step 5: Solve for x
    x = 647,638,013.72/29,979.84
  6. Step 6: Final answer
    x = 21,602.45

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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.