Home / 65,748.45-90,733.28-35,533.70

Finding the Fourth Proportional to 65,748.45, 90,733.28 and 35,533.70

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Solution

The fourth proportional to 65,748.45, 90,733.28 and 35,533.70 is: 49,036.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,748.45 : 90,733.28 = 35,533.70 : x
  2. Step 2: Convert to fraction form
    65,748.45/90,733.28 = 35,533.70/x
  3. Step 3: Cross multiply
    65,748.45x = 90,733.28 × 35,533.70
  4. Step 4: Simplify right side
    65,748.45x = 3,224,088,520.20
  5. Step 5: Solve for x
    x = 3,224,088,520.20/65,748.45
  6. Step 6: Final answer
    x = 49,036.72

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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.