Home / 34,746.32-47,949.84-18,830.72

Finding the Fourth Proportional to 34,746.32, 47,949.84 and 18,830.72

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Solution

The fourth proportional to 34,746.32, 47,949.84 and 18,830.72 is: 25,986.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,746.32 : 47,949.84 = 18,830.72 : x
  2. Step 2: Convert to fraction form
    34,746.32/47,949.84 = 18,830.72/x
  3. Step 3: Cross multiply
    34,746.32x = 47,949.84 × 18,830.72
  4. Step 4: Simplify right side
    34,746.32x = 902,930,011.08
  5. Step 5: Solve for x
    x = 902,930,011.08/34,746.32
  6. Step 6: Final answer
    x = 25,986.35

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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.