Home / 47,738.70-65,867.99-28,624.32

Finding the Fourth Proportional to 47,738.70, 65,867.99 and 28,624.32

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Solution

The fourth proportional to 47,738.70, 65,867.99 and 28,624.32 is: 39,494.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,738.70 : 65,867.99 = 28,624.32 : x
  2. Step 2: Convert to fraction form
    47,738.70/65,867.99 = 28,624.32/x
  3. Step 3: Cross multiply
    47,738.70x = 65,867.99 × 28,624.32
  4. Step 4: Simplify right side
    47,738.70x = 1,885,426,280.40
  5. Step 5: Solve for x
    x = 1,885,426,280.40/47,738.70
  6. Step 6: Final answer
    x = 39,494.71

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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.