Home / 34,886.46-48,143.07-18,970.92

Finding the Fourth Proportional to 34,886.46, 48,143.07 and 18,970.92

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Solution

The fourth proportional to 34,886.46, 48,143.07 and 18,970.92 is: 26,179.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,886.46 : 48,143.07 = 18,970.92 : x
  2. Step 2: Convert to fraction form
    34,886.46/48,143.07 = 18,970.92/x
  3. Step 3: Cross multiply
    34,886.46x = 48,143.07 × 18,970.92
  4. Step 4: Simplify right side
    34,886.46x = 913,318,329.52
  5. Step 5: Solve for x
    x = 913,318,329.52/34,886.46
  6. Step 6: Final answer
    x = 26,179.74

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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.