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Finding the Fourth Proportional to 56,520, 84,780 and 14,967

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Solution

The fourth proportional to 56,520, 84,780 and 14,967 is: 22,450.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,520 : 84,780 = 14,967 : x
  2. Step 2: Convert to fraction form
    56,520/84,780 = 14,967/x
  3. Step 3: Cross multiply
    56,520x = 84,780 × 14,967
  4. Step 4: Simplify right side
    56,520x = 1,268,902,260
  5. Step 5: Solve for x
    x = 1,268,902,260/56,520
  6. Step 6: Final answer
    x = 22,450.50

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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.