Home / 56,935.87-85,415.82-21,397.50

Finding the Fourth Proportional to 56,935.87, 85,415.82 and 21,397.50

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Solution

The fourth proportional to 56,935.87, 85,415.82 and 21,397.50 is: 32,100.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,935.87 : 85,415.82 = 21,397.50 : x
  2. Step 2: Convert to fraction form
    56,935.87/85,415.82 = 21,397.50/x
  3. Step 3: Cross multiply
    56,935.87x = 85,415.82 × 21,397.50
  4. Step 4: Simplify right side
    56,935.87x = 1,827,684,815.74
  5. Step 5: Solve for x
    x = 1,827,684,815.74/56,935.87
  6. Step 6: Final answer
    x = 32,100.76

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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.