Home / 58,646.35-80,932.18-31,788.77

Finding the Fourth Proportional to 58,646.35, 80,932.18 and 31,788.77

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Solution

The fourth proportional to 58,646.35, 80,932.18 and 31,788.77 is: 43,868.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,646.35 : 80,932.18 = 31,788.77 : x
  2. Step 2: Convert to fraction form
    58,646.35/80,932.18 = 31,788.77/x
  3. Step 3: Cross multiply
    58,646.35x = 80,932.18 × 31,788.77
  4. Step 4: Simplify right side
    58,646.35x = 2,572,734,455.62
  5. Step 5: Solve for x
    x = 2,572,734,455.62/58,646.35
  6. Step 6: Final answer
    x = 43,868.62

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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.