Home / 34,886.16-48,143.52-18,970.56

Finding the Fourth Proportional to 34,886.16, 48,143.52 and 18,970.56

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Solution

The fourth proportional to 34,886.16, 48,143.52 and 18,970.56 is: 26,179.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,886.16 : 48,143.52 = 18,970.56 : x
  2. Step 2: Convert to fraction form
    34,886.16/48,143.52 = 18,970.56/x
  3. Step 3: Cross multiply
    34,886.16x = 48,143.52 × 18,970.56
  4. Step 4: Simplify right side
    34,886.16x = 913,309,534.77
  5. Step 5: Solve for x
    x = 913,309,534.77/34,886.16
  6. Step 6: Final answer
    x = 26,179.71

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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.