Home / 89,008.81-133,512.87-36,418.28

Finding the Fourth Proportional to 89,008.81, 133,512.87 and 36,418.28

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Solution

The fourth proportional to 89,008.81, 133,512.87 and 36,418.28 is: 54,627.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,008.81 : 133,512.87 = 36,418.28 : x
  2. Step 2: Convert to fraction form
    89,008.81/133,512.87 = 36,418.28/x
  3. Step 3: Cross multiply
    89,008.81x = 133,512.87 × 36,418.28
  4. Step 4: Simplify right side
    89,008.81x = 4,862,308,552.27
  5. Step 5: Solve for x
    x = 4,862,308,552.27/89,008.81
  6. Step 6: Final answer
    x = 54,627.27

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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.