Home / 53,458.36-73,687.34-42,109.88

Finding the Fourth Proportional to 53,458.36, 73,687.34 and 42,109.88

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Solution

The fourth proportional to 53,458.36, 73,687.34 and 42,109.88 is: 58,044.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,458.36 : 73,687.34 = 42,109.88 : x
  2. Step 2: Convert to fraction form
    53,458.36/73,687.34 = 42,109.88/x
  3. Step 3: Cross multiply
    53,458.36x = 73,687.34 × 42,109.88
  4. Step 4: Simplify right side
    53,458.36x = 3,102,965,044.92
  5. Step 5: Solve for x
    x = 3,102,965,044.92/53,458.36
  6. Step 6: Final answer
    x = 58,044.52

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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.