Home / 53,487.12-73,811.70-30,817.77

Finding the Fourth Proportional to 53,487.12, 73,811.70 and 30,817.77

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Solution

The fourth proportional to 53,487.12, 73,811.70 and 30,817.77 is: 42,528.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,487.12 : 73,811.70 = 30,817.77 : x
  2. Step 2: Convert to fraction form
    53,487.12/73,811.70 = 30,817.77/x
  3. Step 3: Cross multiply
    53,487.12x = 73,811.70 × 30,817.77
  4. Step 4: Simplify right side
    53,487.12x = 2,274,711,993.91
  5. Step 5: Solve for x
    x = 2,274,711,993.91/53,487.12
  6. Step 6: Final answer
    x = 42,528.22

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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.