Home / 45,564.74-68,350.38-13,970.70

Finding the Fourth Proportional to 45,564.74, 68,350.38 and 13,970.70

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Solution

The fourth proportional to 45,564.74, 68,350.38 and 13,970.70 is: 20,957.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,564.74 : 68,350.38 = 13,970.70 : x
  2. Step 2: Convert to fraction form
    45,564.74/68,350.38 = 13,970.70/x
  3. Step 3: Cross multiply
    45,564.74x = 68,350.38 × 13,970.70
  4. Step 4: Simplify right side
    45,564.74x = 954,902,653.87
  5. Step 5: Solve for x
    x = 954,902,653.87/45,564.74
  6. Step 6: Final answer
    x = 20,957.05

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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.