Home / 45,661.75-63,011.95-25,518.78

Finding the Fourth Proportional to 45,661.75, 63,011.95 and 25,518.78

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Solution

The fourth proportional to 45,661.75, 63,011.95 and 25,518.78 is: 35,215.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,661.75 : 63,011.95 = 25,518.78 : x
  2. Step 2: Convert to fraction form
    45,661.75/63,011.95 = 25,518.78/x
  3. Step 3: Cross multiply
    45,661.75x = 63,011.95 × 25,518.78
  4. Step 4: Simplify right side
    45,661.75x = 1,607,988,025.62
  5. Step 5: Solve for x
    x = 1,607,988,025.62/45,661.75
  6. Step 6: Final answer
    x = 35,215.21

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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.