Home / 55,649.90-76,796.43-30,499.34

Finding the Fourth Proportional to 55,649.90, 76,796.43 and 30,499.34

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Solution

The fourth proportional to 55,649.90, 76,796.43 and 30,499.34 is: 42,088.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,649.90 : 76,796.43 = 30,499.34 : x
  2. Step 2: Convert to fraction form
    55,649.90/76,796.43 = 30,499.34/x
  3. Step 3: Cross multiply
    55,649.90x = 76,796.43 × 30,499.34
  4. Step 4: Simplify right side
    55,649.90x = 2,342,240,429.36
  5. Step 5: Solve for x
    x = 2,342,240,429.36/55,649.90
  6. Step 6: Final answer
    x = 42,088.85

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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.