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Finding the Fourth Proportional to 47,376.40, 65,377.08 and 27,219

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Solution

The fourth proportional to 47,376.40, 65,377.08 and 27,219 is: 37,560.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,376.40 : 65,377.08 = 27,219 : x
  2. Step 2: Convert to fraction form
    47,376.40/65,377.08 = 27,219/x
  3. Step 3: Cross multiply
    47,376.40x = 65,377.08 × 27,219
  4. Step 4: Simplify right side
    47,376.40x = 1,779,498,740.52
  5. Step 5: Solve for x
    x = 1,779,498,740.52/47,376.40
  6. Step 6: Final answer
    x = 37,560.87

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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.