Home / 30,183.74-45,323-25,564.31

Finding the Fourth Proportional to 30,183.74, 45,323 and 25,564.31

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Solution

The fourth proportional to 30,183.74, 45,323 and 25,564.31 is: 38,386.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,183.74 : 45,323 = 25,564.31 : x
  2. Step 2: Convert to fraction form
    30,183.74/45,323 = 25,564.31/x
  3. Step 3: Cross multiply
    30,183.74x = 45,323 × 25,564.31
  4. Step 4: Simplify right side
    30,183.74x = 1,158,651,222.13
  5. Step 5: Solve for x
    x = 1,158,651,222.13/30,183.74
  6. Step 6: Final answer
    x = 38,386.60

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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.