Home / 51,349.01-70,863.07-28,690.49

Finding the Fourth Proportional to 51,349.01, 70,863.07 and 28,690.49

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Solution

The fourth proportional to 51,349.01, 70,863.07 and 28,690.49 is: 39,593.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,349.01 : 70,863.07 = 28,690.49 : x
  2. Step 2: Convert to fraction form
    51,349.01/70,863.07 = 28,690.49/x
  3. Step 3: Cross multiply
    51,349.01x = 70,863.07 × 28,690.49
  4. Step 4: Simplify right side
    51,349.01x = 2,033,096,360.43
  5. Step 5: Solve for x
    x = 2,033,096,360.43/51,349.01
  6. Step 6: Final answer
    x = 39,593.69

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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.