Home / 34,159.20-47,143.32-20,023.92

Finding the Fourth Proportional to 34,159.20, 47,143.32 and 20,023.92

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Solution

The fourth proportional to 34,159.20, 47,143.32 and 20,023.92 is: 27,635.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,159.20 : 47,143.32 = 20,023.92 : x
  2. Step 2: Convert to fraction form
    34,159.20/47,143.32 = 20,023.92/x
  3. Step 3: Cross multiply
    34,159.20x = 47,143.32 × 20,023.92
  4. Step 4: Simplify right side
    34,159.20x = 943,994,068.21
  5. Step 5: Solve for x
    x = 943,994,068.21/34,159.20
  6. Step 6: Final answer
    x = 27,635.13

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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.