Home / 55,108.40-76,044.26-30,910.32

Finding the Fourth Proportional to 55,108.40, 76,044.26 and 30,910.32

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Solution

The fourth proportional to 55,108.40, 76,044.26 and 30,910.32 is: 42,653.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,108.40 : 76,044.26 = 30,910.32 : x
  2. Step 2: Convert to fraction form
    55,108.40/76,044.26 = 30,910.32/x
  3. Step 3: Cross multiply
    55,108.40x = 76,044.26 × 30,910.32
  4. Step 4: Simplify right side
    55,108.40x = 2,350,552,410.76
  5. Step 5: Solve for x
    x = 2,350,552,410.76/55,108.40
  6. Step 6: Final answer
    x = 42,653.25

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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.