Home / 36,731.46-50,688.56-21,420.84

Finding the Fourth Proportional to 36,731.46, 50,688.56 and 21,420.84

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Solution

The fourth proportional to 36,731.46, 50,688.56 and 21,420.84 is: 29,560.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,731.46 : 50,688.56 = 21,420.84 : x
  2. Step 2: Convert to fraction form
    36,731.46/50,688.56 = 21,420.84/x
  3. Step 3: Cross multiply
    36,731.46x = 50,688.56 × 21,420.84
  4. Step 4: Simplify right side
    36,731.46x = 1,085,791,533.59
  5. Step 5: Solve for x
    x = 1,085,791,533.59/36,731.46
  6. Step 6: Final answer
    x = 29,560.26

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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.