Home / 51,010.09-70,393.85-28,348.36

Finding the Fourth Proportional to 51,010.09, 70,393.85 and 28,348.36

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Solution

The fourth proportional to 51,010.09, 70,393.85 and 28,348.36 is: 39,120.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,010.09 : 70,393.85 = 28,348.36 : x
  2. Step 2: Convert to fraction form
    51,010.09/70,393.85 = 28,348.36/x
  3. Step 3: Cross multiply
    51,010.09x = 70,393.85 × 28,348.36
  4. Step 4: Simplify right side
    51,010.09x = 1,995,550,201.59
  5. Step 5: Solve for x
    x = 1,995,550,201.59/51,010.09
  6. Step 6: Final answer
    x = 39,120.70

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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.