Home / 53,216.45-73,439-29,342.70

Finding the Fourth Proportional to 53,216.45, 73,439 and 29,342.70

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Solution

The fourth proportional to 53,216.45, 73,439 and 29,342.70 is: 40,493.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,216.45 : 73,439 = 29,342.70 : x
  2. Step 2: Convert to fraction form
    53,216.45/73,439 = 29,342.70/x
  3. Step 3: Cross multiply
    53,216.45x = 73,439 × 29,342.70
  4. Step 4: Simplify right side
    53,216.45x = 2,154,898,545.30
  5. Step 5: Solve for x
    x = 2,154,898,545.30/53,216.45
  6. Step 6: Final answer
    x = 40,493.09

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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.