Home / 30,613.19-45,875.94-17,438.36

Finding the Fourth Proportional to 30,613.19, 45,875.94 and 17,438.36

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Solution

The fourth proportional to 30,613.19, 45,875.94 and 17,438.36 is: 26,132.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,613.19 : 45,875.94 = 17,438.36 : x
  2. Step 2: Convert to fraction form
    30,613.19/45,875.94 = 17,438.36/x
  3. Step 3: Cross multiply
    30,613.19x = 45,875.94 × 17,438.36
  4. Step 4: Simplify right side
    30,613.19x = 800,001,157.06
  5. Step 5: Solve for x
    x = 800,001,157.06/30,613.19
  6. Step 6: Final answer
    x = 26,132.56

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1.5x scale

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.