Home / 35,617.79-53,379.49-18,941.92

Finding the Fourth Proportional to 35,617.79, 53,379.49 and 18,941.92

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Solution

The fourth proportional to 35,617.79, 53,379.49 and 18,941.92 is: 28,387.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,617.79 : 53,379.49 = 18,941.92 : x
  2. Step 2: Convert to fraction form
    35,617.79/53,379.49 = 18,941.92/x
  3. Step 3: Cross multiply
    35,617.79x = 53,379.49 × 18,941.92
  4. Step 4: Simplify right side
    35,617.79x = 1,011,110,029.22
  5. Step 5: Solve for x
    x = 1,011,110,029.22/35,617.79
  6. Step 6: Final answer
    x = 28,387.78

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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.