Home / 45,661.89-63,013.23-25,518.81

Finding the Fourth Proportional to 45,661.89, 63,013.23 and 25,518.81

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Solution

The fourth proportional to 45,661.89, 63,013.23 and 25,518.81 is: 35,215.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,661.89 : 63,013.23 = 25,518.81 : x
  2. Step 2: Convert to fraction form
    45,661.89/63,013.23 = 25,518.81/x
  3. Step 3: Cross multiply
    45,661.89x = 63,013.23 × 25,518.81
  4. Step 4: Simplify right side
    45,661.89x = 1,608,022,643.86
  5. Step 5: Solve for x
    x = 1,608,022,643.86/45,661.89
  6. Step 6: Final answer
    x = 35,215.86

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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.