Home / 47,399.78-65,411.48-26,178.96

Finding the Fourth Proportional to 47,399.78, 65,411.48 and 26,178.96

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Solution

The fourth proportional to 47,399.78, 65,411.48 and 26,178.96 is: 36,126.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,399.78 : 65,411.48 = 26,178.96 : x
  2. Step 2: Convert to fraction form
    47,399.78/65,411.48 = 26,178.96/x
  3. Step 3: Cross multiply
    47,399.78x = 65,411.48 × 26,178.96
  4. Step 4: Simplify right side
    47,399.78x = 1,712,404,518.46
  5. Step 5: Solve for x
    x = 1,712,404,518.46/47,399.78
  6. Step 6: Final answer
    x = 36,126.85

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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.