Home / 20,182.10-30,244.35-14,875.70

Finding the Fourth Proportional to 20,182.10, 30,244.35 and 14,875.70

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Solution

The fourth proportional to 20,182.10, 30,244.35 and 14,875.70 is: 22,292.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,182.10 : 30,244.35 = 14,875.70 : x
  2. Step 2: Convert to fraction form
    20,182.10/30,244.35 = 14,875.70/x
  3. Step 3: Cross multiply
    20,182.10x = 30,244.35 × 14,875.70
  4. Step 4: Simplify right side
    20,182.10x = 449,905,877.30
  5. Step 5: Solve for x
    x = 449,905,877.30/20,182.10
  6. Step 6: Final answer
    x = 22,292.32

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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.