Home / 35,530.40-53,306.40-19,937.60

Finding the Fourth Proportional to 35,530.40, 53,306.40 and 19,937.60

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Solution

The fourth proportional to 35,530.40, 53,306.40 and 19,937.60 is: 29,912.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,530.40 : 53,306.40 = 19,937.60 : x
  2. Step 2: Convert to fraction form
    35,530.40/53,306.40 = 19,937.60/x
  3. Step 3: Cross multiply
    35,530.40x = 53,306.40 × 19,937.60
  4. Step 4: Simplify right side
    35,530.40x = 1,062,801,680.64
  5. Step 5: Solve for x
    x = 1,062,801,680.64/35,530.40
  6. Step 6: Final answer
    x = 29,912.46

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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.