Home / 30,651.13-45,708.46-30,370.86

Finding the Fourth Proportional to 30,651.13, 45,708.46 and 30,370.86

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Solution

The fourth proportional to 30,651.13, 45,708.46 and 30,370.86 is: 45,290.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,651.13 : 45,708.46 = 30,370.86 : x
  2. Step 2: Convert to fraction form
    30,651.13/45,708.46 = 30,370.86/x
  3. Step 3: Cross multiply
    30,651.13x = 45,708.46 × 30,370.86
  4. Step 4: Simplify right side
    30,651.13x = 1,388,205,239.48
  5. Step 5: Solve for x
    x = 1,388,205,239.48/30,651.13
  6. Step 6: Final answer
    x = 45,290.52

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.