Home / 30,668.14-45,969.40-15,862.15

Finding the Fourth Proportional to 30,668.14, 45,969.40 and 15,862.15

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Solution

The fourth proportional to 30,668.14, 45,969.40 and 15,862.15 is: 23,776.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,668.14 : 45,969.40 = 15,862.15 : x
  2. Step 2: Convert to fraction form
    30,668.14/45,969.40 = 15,862.15/x
  3. Step 3: Cross multiply
    30,668.14x = 45,969.40 × 15,862.15
  4. Step 4: Simplify right side
    30,668.14x = 729,173,518.21
  5. Step 5: Solve for x
    x = 729,173,518.21/30,668.14
  6. Step 6: Final answer
    x = 23,776.26

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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.