Home / 56,156.25-77,495.64-31,007.37

Finding the Fourth Proportional to 56,156.25, 77,495.64 and 31,007.37

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Solution

The fourth proportional to 56,156.25, 77,495.64 and 31,007.37 is: 42,790.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,156.25 : 77,495.64 = 31,007.37 : x
  2. Step 2: Convert to fraction form
    56,156.25/77,495.64 = 31,007.37/x
  3. Step 3: Cross multiply
    56,156.25x = 77,495.64 × 31,007.37
  4. Step 4: Simplify right side
    56,156.25x = 2,402,935,982.87
  5. Step 5: Solve for x
    x = 2,402,935,982.87/56,156.25
  6. Step 6: Final answer
    x = 42,790.18

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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.