Home / 65,110.32-89,856.70-36,432.70

Finding the Fourth Proportional to 65,110.32, 89,856.70 and 36,432.70

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Solution

The fourth proportional to 65,110.32, 89,856.70 and 36,432.70 is: 50,279.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,110.32 : 89,856.70 = 36,432.70 : x
  2. Step 2: Convert to fraction form
    65,110.32/89,856.70 = 36,432.70/x
  3. Step 3: Cross multiply
    65,110.32x = 89,856.70 × 36,432.70
  4. Step 4: Simplify right side
    65,110.32x = 3,273,722,383.81
  5. Step 5: Solve for x
    x = 3,273,722,383.81/65,110.32
  6. Step 6: Final answer
    x = 50,279.62

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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.