Home / 58,702.86-81,010.11-31,845.37

Finding the Fourth Proportional to 58,702.86, 81,010.11 and 31,845.37

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Solution

The fourth proportional to 58,702.86, 81,010.11 and 31,845.37 is: 43,946.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,702.86 : 81,010.11 = 31,845.37 : x
  2. Step 2: Convert to fraction form
    58,702.86/81,010.11 = 31,845.37/x
  3. Step 3: Cross multiply
    58,702.86x = 81,010.11 × 31,845.37
  4. Step 4: Simplify right side
    58,702.86x = 2,579,796,767.46
  5. Step 5: Solve for x
    x = 2,579,796,767.46/58,702.86
  6. Step 6: Final answer
    x = 43,946.70

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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.