Home / 45,663.89-63,015.93-25,520.75

Finding the Fourth Proportional to 45,663.89, 63,015.93 and 25,520.75

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Solution

The fourth proportional to 45,663.89, 63,015.93 and 25,520.75 is: 35,218.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,663.89 : 63,015.93 = 25,520.75 : x
  2. Step 2: Convert to fraction form
    45,663.89/63,015.93 = 25,520.75/x
  3. Step 3: Cross multiply
    45,663.89x = 63,015.93 × 25,520.75
  4. Step 4: Simplify right side
    45,663.89x = 1,608,213,480.47
  5. Step 5: Solve for x
    x = 1,608,213,480.47/45,663.89
  6. Step 6: Final answer
    x = 35,218.50

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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.