Home / 47,385.78-65,392.60-25,875.98

Finding the Fourth Proportional to 47,385.78, 65,392.60 and 25,875.98

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Solution

The fourth proportional to 47,385.78, 65,392.60 and 25,875.98 is: 35,708.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,385.78 : 65,392.60 = 25,875.98 : x
  2. Step 2: Convert to fraction form
    47,385.78/65,392.60 = 25,875.98/x
  3. Step 3: Cross multiply
    47,385.78x = 65,392.60 × 25,875.98
  4. Step 4: Simplify right side
    47,385.78x = 1,692,097,560.35
  5. Step 5: Solve for x
    x = 1,692,097,560.35/47,385.78
  6. Step 6: Final answer
    x = 35,708.97

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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.