Home / 30,282.08-45,422.64-7,792.58

Finding the Fourth Proportional to 30,282.08, 45,422.64 and 7,792.58

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Solution

The fourth proportional to 30,282.08, 45,422.64 and 7,792.58 is: 11,688.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,282.08 : 45,422.64 = 7,792.58 : x
  2. Step 2: Convert to fraction form
    30,282.08/45,422.64 = 7,792.58/x
  3. Step 3: Cross multiply
    30,282.08x = 45,422.64 × 7,792.58
  4. Step 4: Simplify right side
    30,282.08x = 353,959,556.01
  5. Step 5: Solve for x
    x = 353,959,556.01/30,282.08
  6. Step 6: Final answer
    x = 11,688.75

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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.