Home / 34,078.88-47,027.04-18,970.76

Finding the Fourth Proportional to 34,078.88, 47,027.04 and 18,970.76

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Solution

The fourth proportional to 34,078.88, 47,027.04 and 18,970.76 is: 26,178.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,078.88 : 47,027.04 = 18,970.76 : x
  2. Step 2: Convert to fraction form
    34,078.88/47,027.04 = 18,970.76/x
  3. Step 3: Cross multiply
    34,078.88x = 47,027.04 × 18,970.76
  4. Step 4: Simplify right side
    34,078.88x = 892,138,689.35
  5. Step 5: Solve for x
    x = 892,138,689.35/34,078.88
  6. Step 6: Final answer
    x = 26,178.64

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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.