Home / 52,615.28-78,933.24-19,335.64

Finding the Fourth Proportional to 52,615.28, 78,933.24 and 19,335.64

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Solution

The fourth proportional to 52,615.28, 78,933.24 and 19,335.64 is: 29,007.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,615.28 : 78,933.24 = 19,335.64 : x
  2. Step 2: Convert to fraction form
    52,615.28/78,933.24 = 19,335.64/x
  3. Step 3: Cross multiply
    52,615.28x = 78,933.24 × 19,335.64
  4. Step 4: Simplify right side
    52,615.28x = 1,526,224,712.67
  5. Step 5: Solve for x
    x = 1,526,224,712.67/52,615.28
  6. Step 6: Final answer
    x = 29,007.25

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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.