Home / 34,742.15-47,944.20-18,826.63

Finding the Fourth Proportional to 34,742.15, 47,944.20 and 18,826.63

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Solution

The fourth proportional to 34,742.15, 47,944.20 and 18,826.63 is: 25,980.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,742.15 : 47,944.20 = 18,826.63 : x
  2. Step 2: Convert to fraction form
    34,742.15/47,944.20 = 18,826.63/x
  3. Step 3: Cross multiply
    34,742.15x = 47,944.20 × 18,826.63
  4. Step 4: Simplify right side
    34,742.15x = 902,627,664.79
  5. Step 5: Solve for x
    x = 902,627,664.79/34,742.15
  6. Step 6: Final answer
    x = 25,980.77

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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.