Home / 35,765.03-53,635.40-12,386

Finding the Fourth Proportional to 35,765.03, 53,635.40 and 12,386

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Solution

The fourth proportional to 35,765.03, 53,635.40 and 12,386 is: 18,574.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,765.03 : 53,635.40 = 12,386 : x
  2. Step 2: Convert to fraction form
    35,765.03/53,635.40 = 12,386/x
  3. Step 3: Cross multiply
    35,765.03x = 53,635.40 × 12,386
  4. Step 4: Simplify right side
    35,765.03x = 664,328,002.47
  5. Step 5: Solve for x
    x = 664,328,002.47/35,765.03
  6. Step 6: Final answer
    x = 18,574.79

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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.