Home / 34,895.64-48,153.60-18,979.74

Finding the Fourth Proportional to 34,895.64, 48,153.60 and 18,979.74

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Solution

The fourth proportional to 34,895.64, 48,153.60 and 18,979.74 is: 26,190.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,895.64 : 48,153.60 = 18,979.74 : x
  2. Step 2: Convert to fraction form
    34,895.64/48,153.60 = 18,979.74/x
  3. Step 3: Cross multiply
    34,895.64x = 48,153.60 × 18,979.74
  4. Step 4: Simplify right side
    34,895.64x = 913,942,808.06
  5. Step 5: Solve for x
    x = 913,942,808.06/34,895.64
  6. Step 6: Final answer
    x = 26,190.75

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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.