Home / 21,353.24-32,014.46-13,031.30

Finding the Fourth Proportional to 21,353.24, 32,014.46 and 13,031.30

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Solution

The fourth proportional to 21,353.24, 32,014.46 and 13,031.30 is: 19,537.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,353.24 : 32,014.46 = 13,031.30 : x
  2. Step 2: Convert to fraction form
    21,353.24/32,014.46 = 13,031.30/x
  3. Step 3: Cross multiply
    21,353.24x = 32,014.46 × 13,031.30
  4. Step 4: Simplify right side
    21,353.24x = 417,189,905.10
  5. Step 5: Solve for x
    x = 417,189,905.10/21,353.24
  6. Step 6: Final answer
    x = 19,537.55

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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.