Home / 20,339.24-30,518.13-12,035.52

Finding the Fourth Proportional to 20,339.24, 30,518.13 and 12,035.52

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Solution

The fourth proportional to 20,339.24, 30,518.13 and 12,035.52 is: 18,058.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,339.24 : 30,518.13 = 12,035.52 : x
  2. Step 2: Convert to fraction form
    20,339.24/30,518.13 = 12,035.52/x
  3. Step 3: Cross multiply
    20,339.24x = 30,518.13 × 12,035.52
  4. Step 4: Simplify right side
    20,339.24x = 367,301,563.98
  5. Step 5: Solve for x
    x = 367,301,563.98/20,339.24
  6. Step 6: Final answer
    x = 18,058.77

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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.