Home / 35,975.87-53,968.34-12,287.90

Finding the Fourth Proportional to 35,975.87, 53,968.34 and 12,287.90

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Solution

The fourth proportional to 35,975.87, 53,968.34 and 12,287.90 is: 18,433.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,975.87 : 53,968.34 = 12,287.90 : x
  2. Step 2: Convert to fraction form
    35,975.87/53,968.34 = 12,287.90/x
  3. Step 3: Cross multiply
    35,975.87x = 53,968.34 × 12,287.90
  4. Step 4: Simplify right side
    35,975.87x = 663,157,565.09
  5. Step 5: Solve for x
    x = 663,157,565.09/35,975.87
  6. Step 6: Final answer
    x = 18,433.40

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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.