Home / 30,110.15-45,206.60-15,329.00

Finding the Fourth Proportional to 30,110.15, 45,206.60 and 15,329.00

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Solution

The fourth proportional to 30,110.15, 45,206.60 and 15,329.00 is: 23,014.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,110.15 : 45,206.60 = 15,329.00 : x
  2. Step 2: Convert to fraction form
    30,110.15/45,206.60 = 15,329.00/x
  3. Step 3: Cross multiply
    30,110.15x = 45,206.60 × 15,329.00
  4. Step 4: Simplify right side
    30,110.15x = 692,971,668.72
  5. Step 5: Solve for x
    x = 692,971,668.72/30,110.15
  6. Step 6: Final answer
    x = 23,014.56

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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.