Home / 51,588.29-71,186.90-28,928.24

Finding the Fourth Proportional to 51,588.29, 71,186.90 and 28,928.24

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Solution

The fourth proportional to 51,588.29, 71,186.90 and 28,928.24 is: 39,918.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,588.29 : 71,186.90 = 28,928.24 : x
  2. Step 2: Convert to fraction form
    51,588.29/71,186.90 = 28,928.24/x
  3. Step 3: Cross multiply
    51,588.29x = 71,186.90 × 28,928.24
  4. Step 4: Simplify right side
    51,588.29x = 2,059,311,657.15
  5. Step 5: Solve for x
    x = 2,059,311,657.15/51,588.29
  6. Step 6: Final answer
    x = 39,918.20

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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.