Home / 30,110.12-45,192.92-15,329.68

Finding the Fourth Proportional to 30,110.12, 45,192.92 and 15,329.68

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Solution

The fourth proportional to 30,110.12, 45,192.92 and 15,329.68 is: 23,008.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,110.12 : 45,192.92 = 15,329.68 : x
  2. Step 2: Convert to fraction form
    30,110.12/45,192.92 = 15,329.68/x
  3. Step 3: Cross multiply
    30,110.12x = 45,192.92 × 15,329.68
  4. Step 4: Simplify right side
    30,110.12x = 692,793,001.87
  5. Step 5: Solve for x
    x = 692,793,001.87/30,110.12
  6. Step 6: Final answer
    x = 23,008.64

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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.