Home / 30,090.08-45,145.92-13,448.72

Finding the Fourth Proportional to 30,090.08, 45,145.92 and 13,448.72

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Solution

The fourth proportional to 30,090.08, 45,145.92 and 13,448.72 is: 20,177.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,090.08 : 45,145.92 = 13,448.72 : x
  2. Step 2: Convert to fraction form
    30,090.08/45,145.92 = 13,448.72/x
  3. Step 3: Cross multiply
    30,090.08x = 45,145.92 × 13,448.72
  4. Step 4: Simplify right side
    30,090.08x = 607,154,837.22
  5. Step 5: Solve for x
    x = 607,154,837.22/30,090.08
  6. Step 6: Final answer
    x = 20,177.91

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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.