Home / 34,866.51-48,116.85-19,758.78

Finding the Fourth Proportional to 34,866.51, 48,116.85 and 19,758.78

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Solution

The fourth proportional to 34,866.51, 48,116.85 and 19,758.78 is: 27,267.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,866.51 : 48,116.85 = 19,758.78 : x
  2. Step 2: Convert to fraction form
    34,866.51/48,116.85 = 19,758.78/x
  3. Step 3: Cross multiply
    34,866.51x = 48,116.85 × 19,758.78
  4. Step 4: Simplify right side
    34,866.51x = 950,730,253.44
  5. Step 5: Solve for x
    x = 950,730,253.44/34,866.51
  6. Step 6: Final answer
    x = 27,267.72

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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.