Home / 20,283.48-30,432.24-14,485.32

Finding the Fourth Proportional to 20,283.48, 30,432.24 and 14,485.32

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Solution

The fourth proportional to 20,283.48, 30,432.24 and 14,485.32 is: 21,732.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,283.48 : 30,432.24 = 14,485.32 : x
  2. Step 2: Convert to fraction form
    20,283.48/30,432.24 = 14,485.32/x
  3. Step 3: Cross multiply
    20,283.48x = 30,432.24 × 14,485.32
  4. Step 4: Simplify right side
    20,283.48x = 440,820,734.72
  5. Step 5: Solve for x
    x = 440,820,734.72/20,283.48
  6. Step 6: Final answer
    x = 21,732.99

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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.