Home / 30,613.24-42,250.92-18,683.51

Finding the Fourth Proportional to 30,613.24, 42,250.92 and 18,683.51

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Solution

The fourth proportional to 30,613.24, 42,250.92 and 18,683.51 is: 25,786.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,613.24 : 42,250.92 = 18,683.51 : x
  2. Step 2: Convert to fraction form
    30,613.24/42,250.92 = 18,683.51/x
  3. Step 3: Cross multiply
    30,613.24x = 42,250.92 × 18,683.51
  4. Step 4: Simplify right side
    30,613.24x = 789,395,442.67
  5. Step 5: Solve for x
    x = 789,395,442.67/30,613.24
  6. Step 6: Final answer
    x = 25,786.08

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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.