Home / 35,987.85-53,981.78-19,324.96

Finding the Fourth Proportional to 35,987.85, 53,981.78 and 19,324.96

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Solution

The fourth proportional to 35,987.85, 53,981.78 and 19,324.96 is: 28,987.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,987.85 : 53,981.78 = 19,324.96 : x
  2. Step 2: Convert to fraction form
    35,987.85/53,981.78 = 19,324.96/x
  3. Step 3: Cross multiply
    35,987.85x = 53,981.78 × 19,324.96
  4. Step 4: Simplify right side
    35,987.85x = 1,043,195,980.33
  5. Step 5: Solve for x
    x = 1,043,195,980.33/35,987.85
  6. Step 6: Final answer
    x = 28,987.45

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Similar ratio
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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.