Home / 52,186.89-72,017.26-28,313.39

Finding the Fourth Proportional to 52,186.89, 72,017.26 and 28,313.39

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Solution

The fourth proportional to 52,186.89, 72,017.26 and 28,313.39 is: 39,072.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,186.89 : 72,017.26 = 28,313.39 : x
  2. Step 2: Convert to fraction form
    52,186.89/72,017.26 = 28,313.39/x
  3. Step 3: Cross multiply
    52,186.89x = 72,017.26 × 28,313.39
  4. Step 4: Simplify right side
    52,186.89x = 2,039,052,769.11
  5. Step 5: Solve for x
    x = 2,039,052,769.11/52,186.89
  6. Step 6: Final answer
    x = 39,072.13

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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.