Home / 63,072.64-87,039.60-34,778.56

Finding the Fourth Proportional to 63,072.64, 87,039.60 and 34,778.56

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Solution

The fourth proportional to 63,072.64, 87,039.60 and 34,778.56 is: 47,994.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,072.64 : 87,039.60 = 34,778.56 : x
  2. Step 2: Convert to fraction form
    63,072.64/87,039.60 = 34,778.56/x
  3. Step 3: Cross multiply
    63,072.64x = 87,039.60 × 34,778.56
  4. Step 4: Simplify right side
    63,072.64x = 3,027,111,950.98
  5. Step 5: Solve for x
    x = 3,027,111,950.98/63,072.64
  6. Step 6: Final answer
    x = 47,994.06

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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.