Home / 63,072.24-87,039.66-34,778.40

Finding the Fourth Proportional to 63,072.24, 87,039.66 and 34,778.40

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Solution

The fourth proportional to 63,072.24, 87,039.66 and 34,778.40 is: 47,994.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,072.24 : 87,039.66 = 34,778.40 : x
  2. Step 2: Convert to fraction form
    63,072.24/87,039.66 = 34,778.40/x
  3. Step 3: Cross multiply
    63,072.24x = 87,039.66 × 34,778.40
  4. Step 4: Simplify right side
    63,072.24x = 3,027,100,111.34
  5. Step 5: Solve for x
    x = 3,027,100,111.34/63,072.24
  6. Step 6: Final answer
    x = 47,994.17

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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.