Home / 45,870.66-68,785.53-15,887.70

Finding the Fourth Proportional to 45,870.66, 68,785.53 and 15,887.70

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Solution

The fourth proportional to 45,870.66, 68,785.53 and 15,887.70 is: 23,824.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,870.66 : 68,785.53 = 15,887.70 : x
  2. Step 2: Convert to fraction form
    45,870.66/68,785.53 = 15,887.70/x
  3. Step 3: Cross multiply
    45,870.66x = 68,785.53 × 15,887.70
  4. Step 4: Simplify right side
    45,870.66x = 1,092,843,864.98
  5. Step 5: Solve for x
    x = 1,092,843,864.98/45,870.66
  6. Step 6: Final answer
    x = 23,824.46

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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.