Home / 55,398.36-76,458.48-35,234.28

Finding the Fourth Proportional to 55,398.36, 76,458.48 and 35,234.28

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Solution

The fourth proportional to 55,398.36, 76,458.48 and 35,234.28 is: 48,628.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,398.36 : 76,458.48 = 35,234.28 : x
  2. Step 2: Convert to fraction form
    55,398.36/76,458.48 = 35,234.28/x
  3. Step 3: Cross multiply
    55,398.36x = 76,458.48 × 35,234.28
  4. Step 4: Simplify right side
    55,398.36x = 2,693,959,492.69
  5. Step 5: Solve for x
    x = 2,693,959,492.69/55,398.36
  6. Step 6: Final answer
    x = 48,628.87

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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.