Home / 50,689.08-69,948.08-28,026.72

Finding the Fourth Proportional to 50,689.08, 69,948.08 and 28,026.72

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Solution

The fourth proportional to 50,689.08, 69,948.08 and 28,026.72 is: 38,675.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,689.08 : 69,948.08 = 28,026.72 : x
  2. Step 2: Convert to fraction form
    50,689.08/69,948.08 = 28,026.72/x
  3. Step 3: Cross multiply
    50,689.08x = 69,948.08 × 28,026.72
  4. Step 4: Simplify right side
    50,689.08x = 1,960,415,252.70
  5. Step 5: Solve for x
    x = 1,960,415,252.70/50,689.08
  6. Step 6: Final answer
    x = 38,675.30

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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.