Home / 45,377.10-68,019.21-44,238.78

Finding the Fourth Proportional to 45,377.10, 68,019.21 and 44,238.78

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Solution

The fourth proportional to 45,377.10, 68,019.21 and 44,238.78 is: 66,312.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,377.10 : 68,019.21 = 44,238.78 : x
  2. Step 2: Convert to fraction form
    45,377.10/68,019.21 = 44,238.78/x
  3. Step 3: Cross multiply
    45,377.10x = 68,019.21 × 44,238.78
  4. Step 4: Simplify right side
    45,377.10x = 3,009,086,866.96
  5. Step 5: Solve for x
    x = 3,009,086,866.96/45,377.10
  6. Step 6: Final answer
    x = 66,312.89

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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.