Home / 51,980.20-71,733.09-28,697.36

Finding the Fourth Proportional to 51,980.20, 71,733.09 and 28,697.36

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Solution

The fourth proportional to 51,980.20, 71,733.09 and 28,697.36 is: 39,602.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,980.20 : 71,733.09 = 28,697.36 : x
  2. Step 2: Convert to fraction form
    51,980.20/71,733.09 = 28,697.36/x
  3. Step 3: Cross multiply
    51,980.20x = 71,733.09 × 28,697.36
  4. Step 4: Simplify right side
    51,980.20x = 2,058,550,164.16
  5. Step 5: Solve for x
    x = 2,058,550,164.16/51,980.20
  6. Step 6: Final answer
    x = 39,602.58

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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.