Home / 34,885.22-48,143.57-18,969.32

Finding the Fourth Proportional to 34,885.22, 48,143.57 and 18,969.32

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Solution

The fourth proportional to 34,885.22, 48,143.57 and 18,969.32 is: 26,178.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,885.22 : 48,143.57 = 18,969.32 : x
  2. Step 2: Convert to fraction form
    34,885.22/48,143.57 = 18,969.32/x
  3. Step 3: Cross multiply
    34,885.22x = 48,143.57 × 18,969.32
  4. Step 4: Simplify right side
    34,885.22x = 913,250,810.78
  5. Step 5: Solve for x
    x = 913,250,810.78/34,885.22
  6. Step 6: Final answer
    x = 26,178.74

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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.