Home / 35,880.28-53,820.62-12,506.60

Finding the Fourth Proportional to 35,880.28, 53,820.62 and 12,506.60

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Solution

The fourth proportional to 35,880.28, 53,820.62 and 12,506.60 is: 18,759.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,880.28 : 53,820.62 = 12,506.60 : x
  2. Step 2: Convert to fraction form
    35,880.28/53,820.62 = 12,506.60/x
  3. Step 3: Cross multiply
    35,880.28x = 53,820.62 × 12,506.60
  4. Step 4: Simplify right side
    35,880.28x = 673,112,966.09
  5. Step 5: Solve for x
    x = 673,112,966.09/35,880.28
  6. Step 6: Final answer
    x = 18,759.97

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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.