Home / 30,145.08-45,245.61-15,365.10

Finding the Fourth Proportional to 30,145.08, 45,245.61 and 15,365.10

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Solution

The fourth proportional to 30,145.08, 45,245.61 and 15,365.10 is: 23,061.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,145.08 : 45,245.61 = 15,365.10 : x
  2. Step 2: Convert to fraction form
    30,145.08/45,245.61 = 15,365.10/x
  3. Step 3: Cross multiply
    30,145.08x = 45,245.61 × 15,365.10
  4. Step 4: Simplify right side
    30,145.08x = 695,203,322.21
  5. Step 5: Solve for x
    x = 695,203,322.21/30,145.08
  6. Step 6: Final answer
    x = 23,061.92

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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.