Home / 35,765.16-49,357.20-21,615.24

Finding the Fourth Proportional to 35,765.16, 49,357.20 and 21,615.24

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Solution

The fourth proportional to 35,765.16, 49,357.20 and 21,615.24 is: 29,829.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,765.16 : 49,357.20 = 21,615.24 : x
  2. Step 2: Convert to fraction form
    35,765.16/49,357.20 = 21,615.24/x
  3. Step 3: Cross multiply
    35,765.16x = 49,357.20 × 21,615.24
  4. Step 4: Simplify right side
    35,765.16x = 1,066,867,723.73
  5. Step 5: Solve for x
    x = 1,066,867,723.73/35,765.16
  6. Step 6: Final answer
    x = 29,829.80

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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.