Home / 58,488.36-87,767.10-21,578.28

Finding the Fourth Proportional to 58,488.36, 87,767.10 and 21,578.28

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Solution

The fourth proportional to 58,488.36, 87,767.10 and 21,578.28 is: 32,380.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,488.36 : 87,767.10 = 21,578.28 : x
  2. Step 2: Convert to fraction form
    58,488.36/87,767.10 = 21,578.28/x
  3. Step 3: Cross multiply
    58,488.36x = 87,767.10 × 21,578.28
  4. Step 4: Simplify right side
    58,488.36x = 1,893,863,058.59
  5. Step 5: Solve for x
    x = 1,893,863,058.59/58,488.36
  6. Step 6: Final answer
    x = 32,380.17

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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.