Home / 20,313.45-30,444.80-14,023.36

Finding the Fourth Proportional to 20,313.45, 30,444.80 and 14,023.36

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Solution

The fourth proportional to 20,313.45, 30,444.80 and 14,023.36 is: 21,017.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,313.45 : 30,444.80 = 14,023.36 : x
  2. Step 2: Convert to fraction form
    20,313.45/30,444.80 = 14,023.36/x
  3. Step 3: Cross multiply
    20,313.45x = 30,444.80 × 14,023.36
  4. Step 4: Simplify right side
    20,313.45x = 426,938,238.30
  5. Step 5: Solve for x
    x = 426,938,238.30/20,313.45
  6. Step 6: Final answer
    x = 21,017.52

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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.