Home / 60,933.85-91,403.21-18,810.20

Finding the Fourth Proportional to 60,933.85, 91,403.21 and 18,810.20

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Solution

The fourth proportional to 60,933.85, 91,403.21 and 18,810.20 is: 28,216.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,933.85 : 91,403.21 = 18,810.20 : x
  2. Step 2: Convert to fraction form
    60,933.85/91,403.21 = 18,810.20/x
  3. Step 3: Cross multiply
    60,933.85x = 91,403.21 × 18,810.20
  4. Step 4: Simplify right side
    60,933.85x = 1,719,312,936.28
  5. Step 5: Solve for x
    x = 1,719,312,936.28/60,933.85
  6. Step 6: Final answer
    x = 28,216.06

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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.