Home / 38,330.10-52,895.49-21,563.10

Finding the Fourth Proportional to 38,330.10, 52,895.49 and 21,563.10

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Solution

The fourth proportional to 38,330.10, 52,895.49 and 21,563.10 is: 29,757.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,330.10 : 52,895.49 = 21,563.10 : x
  2. Step 2: Convert to fraction form
    38,330.10/52,895.49 = 21,563.10/x
  3. Step 3: Cross multiply
    38,330.10x = 52,895.49 × 21,563.10
  4. Step 4: Simplify right side
    38,330.10x = 1,140,590,740.42
  5. Step 5: Solve for x
    x = 1,140,590,740.42/38,330.10
  6. Step 6: Final answer
    x = 29,757.05

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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.