Home / 30,164.20-45,228.07-13,521.13

Finding the Fourth Proportional to 30,164.20, 45,228.07 and 13,521.13

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Solution

The fourth proportional to 30,164.20, 45,228.07 and 13,521.13 is: 20,273.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,164.20 : 45,228.07 = 13,521.13 : x
  2. Step 2: Convert to fraction form
    30,164.20/45,228.07 = 13,521.13/x
  3. Step 3: Cross multiply
    30,164.20x = 45,228.07 × 13,521.13
  4. Step 4: Simplify right side
    30,164.20x = 611,534,614.12
  5. Step 5: Solve for x
    x = 611,534,614.12/30,164.20
  6. Step 6: Final answer
    x = 20,273.52

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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.