Home / 51,036.06-70,424.42-28,371.40

Finding the Fourth Proportional to 51,036.06, 70,424.42 and 28,371.40

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Solution

The fourth proportional to 51,036.06, 70,424.42 and 28,371.40 is: 39,149.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,036.06 : 70,424.42 = 28,371.40 : x
  2. Step 2: Convert to fraction form
    51,036.06/70,424.42 = 28,371.40/x
  3. Step 3: Cross multiply
    51,036.06x = 70,424.42 × 28,371.40
  4. Step 4: Simplify right side
    51,036.06x = 1,998,039,627.40
  5. Step 5: Solve for x
    x = 1,998,039,627.40/51,036.06
  6. Step 6: Final answer
    x = 39,149.56

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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.