Home / 49,057.95-67,714.47-28,921.35

Finding the Fourth Proportional to 49,057.95, 67,714.47 and 28,921.35

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Solution

The fourth proportional to 49,057.95, 67,714.47 and 28,921.35 is: 39,920.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,057.95 : 67,714.47 = 28,921.35 : x
  2. Step 2: Convert to fraction form
    49,057.95/67,714.47 = 28,921.35/x
  3. Step 3: Cross multiply
    49,057.95x = 67,714.47 × 28,921.35
  4. Step 4: Simplify right side
    49,057.95x = 1,958,393,886.93
  5. Step 5: Solve for x
    x = 1,958,393,886.93/49,057.95
  6. Step 6: Final answer
    x = 39,920.01

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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.