Home / 89,339.32-134,004.66-33,931

Finding the Fourth Proportional to 89,339.32, 134,004.66 and 33,931

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Solution

The fourth proportional to 89,339.32, 134,004.66 and 33,931 is: 50,894.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,339.32 : 134,004.66 = 33,931 : x
  2. Step 2: Convert to fraction form
    89,339.32/134,004.66 = 33,931/x
  3. Step 3: Cross multiply
    89,339.32x = 134,004.66 × 33,931
  4. Step 4: Simplify right side
    89,339.32x = 4,546,912,118.46
  5. Step 5: Solve for x
    x = 4,546,912,118.46/89,339.32
  6. Step 6: Final answer
    x = 50,894.86

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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.