Home / 58,835.15-81,193.13-31,977.66

Finding the Fourth Proportional to 58,835.15, 81,193.13 and 31,977.66

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Solution

The fourth proportional to 58,835.15, 81,193.13 and 31,977.66 is: 44,129.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,835.15 : 81,193.13 = 31,977.66 : x
  2. Step 2: Convert to fraction form
    58,835.15/81,193.13 = 31,977.66/x
  3. Step 3: Cross multiply
    58,835.15x = 81,193.13 × 31,977.66
  4. Step 4: Simplify right side
    58,835.15x = 2,596,366,305.48
  5. Step 5: Solve for x
    x = 2,596,366,305.48/58,835.15
  6. Step 6: Final answer
    x = 44,129.51

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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.