Home / 35,153.10-48,528-21,732.18

Finding the Fourth Proportional to 35,153.10, 48,528 and 21,732.18

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Solution

The fourth proportional to 35,153.10, 48,528 and 21,732.18 is: 30,000.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,153.10 : 48,528 = 21,732.18 : x
  2. Step 2: Convert to fraction form
    35,153.10/48,528 = 21,732.18/x
  3. Step 3: Cross multiply
    35,153.10x = 48,528 × 21,732.18
  4. Step 4: Simplify right side
    35,153.10x = 1,054,619,231.04
  5. Step 5: Solve for x
    x = 1,054,619,231.04/35,153.10
  6. Step 6: Final answer
    x = 30,000.75

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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.