Home / 47,521.67-65,591.58-28,412.76

Finding the Fourth Proportional to 47,521.67, 65,591.58 and 28,412.76

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Solution

The fourth proportional to 47,521.67, 65,591.58 and 28,412.76 is: 39,216.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,521.67 : 65,591.58 = 28,412.76 : x
  2. Step 2: Convert to fraction form
    47,521.67/65,591.58 = 28,412.76/x
  3. Step 3: Cross multiply
    47,521.67x = 65,591.58 × 28,412.76
  4. Step 4: Simplify right side
    47,521.67x = 1,863,637,820.56
  5. Step 5: Solve for x
    x = 1,863,637,820.56/47,521.67
  6. Step 6: Final answer
    x = 39,216.59

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Half scale
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Double scale
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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.