Home / 51,886.26-71,612.37-40,688.82

Finding the Fourth Proportional to 51,886.26, 71,612.37 and 40,688.82

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Solution

The fourth proportional to 51,886.26, 71,612.37 and 40,688.82 is: 56,157.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,886.26 : 71,612.37 = 40,688.82 : x
  2. Step 2: Convert to fraction form
    51,886.26/71,612.37 = 40,688.82/x
  3. Step 3: Cross multiply
    51,886.26x = 71,612.37 × 40,688.82
  4. Step 4: Simplify right side
    51,886.26x = 2,913,822,832.70
  5. Step 5: Solve for x
    x = 2,913,822,832.70/51,886.26
  6. Step 6: Final answer
    x = 56,157.89

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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.