Home / 55,385.01-76,430.91-30,234.51

Finding the Fourth Proportional to 55,385.01, 76,430.91 and 30,234.51

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Solution

The fourth proportional to 55,385.01, 76,430.91 and 30,234.51 is: 41,723.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,385.01 : 76,430.91 = 30,234.51 : x
  2. Step 2: Convert to fraction form
    55,385.01/76,430.91 = 30,234.51/x
  3. Step 3: Cross multiply
    55,385.01x = 76,430.91 × 30,234.51
  4. Step 4: Simplify right side
    55,385.01x = 2,310,851,112.70
  5. Step 5: Solve for x
    x = 2,310,851,112.70/55,385.01
  6. Step 6: Final answer
    x = 41,723.40

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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.