Home / 53,345.03-80,079.38-31,174.32

Finding the Fourth Proportional to 53,345.03, 80,079.38 and 31,174.32

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Solution

The fourth proportional to 53,345.03, 80,079.38 and 31,174.32 is: 46,797.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,345.03 : 80,079.38 = 31,174.32 : x
  2. Step 2: Convert to fraction form
    53,345.03/80,079.38 = 31,174.32/x
  3. Step 3: Cross multiply
    53,345.03x = 80,079.38 × 31,174.32
  4. Step 4: Simplify right side
    53,345.03x = 2,496,420,203.76
  5. Step 5: Solve for x
    x = 2,496,420,203.76/53,345.03
  6. Step 6: Final answer
    x = 46,797.61

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1.5x scale

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.