Home / 35,482.72-48,964.08-20,372.96

Finding the Fourth Proportional to 35,482.72, 48,964.08 and 20,372.96

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Solution

The fourth proportional to 35,482.72, 48,964.08 and 20,372.96 is: 28,113.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,482.72 : 48,964.08 = 20,372.96 : x
  2. Step 2: Convert to fraction form
    35,482.72/48,964.08 = 20,372.96/x
  3. Step 3: Cross multiply
    35,482.72x = 48,964.08 × 20,372.96
  4. Step 4: Simplify right side
    35,482.72x = 997,543,243.28
  5. Step 5: Solve for x
    x = 997,543,243.28/35,482.72
  6. Step 6: Final answer
    x = 28,113.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.