Home / 34,979.51-52,474.44-12,488.45

Finding the Fourth Proportional to 34,979.51, 52,474.44 and 12,488.45

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Solution

The fourth proportional to 34,979.51, 52,474.44 and 12,488.45 is: 18,734.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,979.51 : 52,474.44 = 12,488.45 : x
  2. Step 2: Convert to fraction form
    34,979.51/52,474.44 = 12,488.45/x
  3. Step 3: Cross multiply
    34,979.51x = 52,474.44 × 12,488.45
  4. Step 4: Simplify right side
    34,979.51x = 655,324,095.40
  5. Step 5: Solve for x
    x = 655,324,095.40/34,979.51
  6. Step 6: Final answer
    x = 18,734.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.