Home / 35,731.55-53,605.42-12,358.19

Finding the Fourth Proportional to 35,731.55, 53,605.42 and 12,358.19

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Solution

The fourth proportional to 35,731.55, 53,605.42 and 12,358.19 is: 18,540.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,731.55 : 53,605.42 = 12,358.19 : x
  2. Step 2: Convert to fraction form
    35,731.55/53,605.42 = 12,358.19/x
  3. Step 3: Cross multiply
    35,731.55x = 53,605.42 × 12,358.19
  4. Step 4: Simplify right side
    35,731.55x = 662,465,965.39
  5. Step 5: Solve for x
    x = 662,465,965.39/35,731.55
  6. Step 6: Final answer
    x = 18,540.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.