Home / 30,196.31-45,254.36-13,553.24

Finding the Fourth Proportional to 30,196.31, 45,254.36 and 13,553.24

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Solution

The fourth proportional to 30,196.31, 45,254.36 and 13,553.24 is: 20,311.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,196.31 : 45,254.36 = 13,553.24 : x
  2. Step 2: Convert to fraction form
    30,196.31/45,254.36 = 13,553.24/x
  3. Step 3: Cross multiply
    30,196.31x = 45,254.36 × 13,553.24
  4. Step 4: Simplify right side
    30,196.31x = 613,343,009.74
  5. Step 5: Solve for x
    x = 613,343,009.74/30,196.31
  6. Step 6: Final answer
    x = 20,311.86

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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.