Home / 56,056.92-84,097.38-20,518.08

Finding the Fourth Proportional to 56,056.92, 84,097.38 and 20,518.08

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Solution

The fourth proportional to 56,056.92, 84,097.38 and 20,518.08 is: 30,781.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,056.92 : 84,097.38 = 20,518.08 : x
  2. Step 2: Convert to fraction form
    56,056.92/84,097.38 = 20,518.08/x
  3. Step 3: Cross multiply
    56,056.92x = 84,097.38 × 20,518.08
  4. Step 4: Simplify right side
    56,056.92x = 1,725,516,770.63
  5. Step 5: Solve for x
    x = 1,725,516,770.63/56,056.92
  6. Step 6: Final answer
    x = 30,781.51

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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.