Home / 56,717.12-78,269.84-31,566.62

Finding the Fourth Proportional to 56,717.12, 78,269.84 and 31,566.62

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Solution

The fourth proportional to 56,717.12, 78,269.84 and 31,566.62 is: 43,562.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,717.12 : 78,269.84 = 31,566.62 : x
  2. Step 2: Convert to fraction form
    56,717.12/78,269.84 = 31,566.62/x
  3. Step 3: Cross multiply
    56,717.12x = 78,269.84 × 31,566.62
  4. Step 4: Simplify right side
    56,717.12x = 2,470,714,296.74
  5. Step 5: Solve for x
    x = 2,470,714,296.74/56,717.12
  6. Step 6: Final answer
    x = 43,562.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.