Home / 49,300.74-68,018.40-28,064.97

Finding the Fourth Proportional to 49,300.74, 68,018.40 and 28,064.97

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Solution

The fourth proportional to 49,300.74, 68,018.40 and 28,064.97 is: 38,720.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,300.74 : 68,018.40 = 28,064.97 : x
  2. Step 2: Convert to fraction form
    49,300.74/68,018.40 = 28,064.97/x
  3. Step 3: Cross multiply
    49,300.74x = 68,018.40 × 28,064.97
  4. Step 4: Simplify right side
    49,300.74x = 1,908,934,355.45
  5. Step 5: Solve for x
    x = 1,908,934,355.45/49,300.74
  6. Step 6: Final answer
    x = 38,720.20

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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.