Home / 51,036.51-70,433.55-28,375.68

Finding the Fourth Proportional to 51,036.51, 70,433.55 and 28,375.68

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Solution

The fourth proportional to 51,036.51, 70,433.55 and 28,375.68 is: 39,160.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,036.51 : 70,433.55 = 28,375.68 : x
  2. Step 2: Convert to fraction form
    51,036.51/70,433.55 = 28,375.68/x
  3. Step 3: Cross multiply
    51,036.51x = 70,433.55 × 28,375.68
  4. Step 4: Simplify right side
    51,036.51x = 1,998,599,876.06
  5. Step 5: Solve for x
    x = 1,998,599,876.06/51,036.51
  6. Step 6: Final answer
    x = 39,160.20

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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.