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Finding the Fourth Proportional to 56,342.74, 84,507.71 and 14,792.98

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Solution

The fourth proportional to 56,342.74, 84,507.71 and 14,792.98 is: 22,187.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,342.74 : 84,507.71 = 14,792.98 : x
  2. Step 2: Convert to fraction form
    56,342.74/84,507.71 = 14,792.98/x
  3. Step 3: Cross multiply
    56,342.74x = 84,507.71 × 14,792.98
  4. Step 4: Simplify right side
    56,342.74x = 1,250,120,863.88
  5. Step 5: Solve for x
    x = 1,250,120,863.88/56,342.74
  6. Step 6: Final answer
    x = 22,187.79

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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.