Home / 51,013.64-70,398.51-28,352.27

Finding the Fourth Proportional to 51,013.64, 70,398.51 and 28,352.27

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Solution

The fourth proportional to 51,013.64, 70,398.51 and 28,352.27 is: 39,125.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,013.64 : 70,398.51 = 28,352.27 : x
  2. Step 2: Convert to fraction form
    51,013.64/70,398.51 = 28,352.27/x
  3. Step 3: Cross multiply
    51,013.64x = 70,398.51 × 28,352.27
  4. Step 4: Simplify right side
    51,013.64x = 1,995,957,563.12
  5. Step 5: Solve for x
    x = 1,995,957,563.12/51,013.64
  6. Step 6: Final answer
    x = 39,125.96

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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.