Home / 58,531.77-87,744.96-21,065.50

Finding the Fourth Proportional to 58,531.77, 87,744.96 and 21,065.50

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Solution

The fourth proportional to 58,531.77, 87,744.96 and 21,065.50 is: 31,579.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,531.77 : 87,744.96 = 21,065.50 : x
  2. Step 2: Convert to fraction form
    58,531.77/87,744.96 = 21,065.50/x
  3. Step 3: Cross multiply
    58,531.77x = 87,744.96 × 21,065.50
  4. Step 4: Simplify right side
    58,531.77x = 1,848,391,068.82
  5. Step 5: Solve for x
    x = 1,848,391,068.82/58,531.77
  6. Step 6: Final answer
    x = 31,579.28

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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.