Home / 56,818.92-85,166.46-21,743.40

Finding the Fourth Proportional to 56,818.92, 85,166.46 and 21,743.40

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Solution

The fourth proportional to 56,818.92, 85,166.46 and 21,743.40 is: 32,591.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,818.92 : 85,166.46 = 21,743.40 : x
  2. Step 2: Convert to fraction form
    56,818.92/85,166.46 = 21,743.40/x
  3. Step 3: Cross multiply
    56,818.92x = 85,166.46 × 21,743.40
  4. Step 4: Simplify right side
    56,818.92x = 1,851,808,406.36
  5. Step 5: Solve for x
    x = 1,851,808,406.36/56,818.92
  6. Step 6: Final answer
    x = 32,591.40

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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.