Home / 55,753.99-76,939.85-30,260.40

Finding the Fourth Proportional to 55,753.99, 76,939.85 and 30,260.40

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Solution

The fourth proportional to 55,753.99, 76,939.85 and 30,260.40 is: 41,759.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,753.99 : 76,939.85 = 30,260.40 : x
  2. Step 2: Convert to fraction form
    55,753.99/76,939.85 = 30,260.40/x
  3. Step 3: Cross multiply
    55,753.99x = 76,939.85 × 30,260.40
  4. Step 4: Simplify right side
    55,753.99x = 2,328,230,636.94
  5. Step 5: Solve for x
    x = 2,328,230,636.94/55,753.99
  6. Step 6: Final answer
    x = 41,759.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.