Home / 53,945.14-81,051.55-34,981.84

Finding the Fourth Proportional to 53,945.14, 81,051.55 and 34,981.84

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Solution

The fourth proportional to 53,945.14, 81,051.55 and 34,981.84 is: 52,559.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,945.14 : 81,051.55 = 34,981.84 : x
  2. Step 2: Convert to fraction form
    53,945.14/81,051.55 = 34,981.84/x
  3. Step 3: Cross multiply
    53,945.14x = 81,051.55 × 34,981.84
  4. Step 4: Simplify right side
    53,945.14x = 2,835,331,861.14
  5. Step 5: Solve for x
    x = 2,835,331,861.14/53,945.14
  6. Step 6: Final answer
    x = 52,559.55

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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.