Home / 53,110.98-73,293.15-28,912.05

Finding the Fourth Proportional to 53,110.98, 73,293.15 and 28,912.05

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Solution

The fourth proportional to 53,110.98, 73,293.15 and 28,912.05 is: 39,898.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,110.98 : 73,293.15 = 28,912.05 : x
  2. Step 2: Convert to fraction form
    53,110.98/73,293.15 = 28,912.05/x
  3. Step 3: Cross multiply
    53,110.98x = 73,293.15 × 28,912.05
  4. Step 4: Simplify right side
    53,110.98x = 2,119,055,217.46
  5. Step 5: Solve for x
    x = 2,119,055,217.46/53,110.98
  6. Step 6: Final answer
    x = 39,898.63

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1.5x scale

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.