Home / 20,038.64-30,047.08-5,996.72

Finding the Fourth Proportional to 20,038.64, 30,047.08 and 5,996.72

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Solution

The fourth proportional to 20,038.64, 30,047.08 and 5,996.72 is: 8,991.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,038.64 : 30,047.08 = 5,996.72 : x
  2. Step 2: Convert to fraction form
    20,038.64/30,047.08 = 5,996.72/x
  3. Step 3: Cross multiply
    20,038.64x = 30,047.08 × 5,996.72
  4. Step 4: Simplify right side
    20,038.64x = 180,183,925.58
  5. Step 5: Solve for x
    x = 180,183,925.58/20,038.64
  6. Step 6: Final answer
    x = 8,991.82

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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.