Home / 63,415.89-87,513.74-35,121.58

Finding the Fourth Proportional to 63,415.89, 87,513.74 and 35,121.58

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Solution

The fourth proportional to 63,415.89, 87,513.74 and 35,121.58 is: 48,467.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,415.89 : 87,513.74 = 35,121.58 : x
  2. Step 2: Convert to fraction form
    63,415.89/87,513.74 = 35,121.58/x
  3. Step 3: Cross multiply
    63,415.89x = 87,513.74 × 35,121.58
  4. Step 4: Simplify right side
    63,415.89x = 3,073,620,820.51
  5. Step 5: Solve for x
    x = 3,073,620,820.51/63,415.89
  6. Step 6: Final answer
    x = 48,467.68

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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.