Home / 56,467.74-77,927.70-30,975.03

Finding the Fourth Proportional to 56,467.74, 77,927.70 and 30,975.03

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Solution

The fourth proportional to 56,467.74, 77,927.70 and 30,975.03 is: 42,746.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,467.74 : 77,927.70 = 30,975.03 : x
  2. Step 2: Convert to fraction form
    56,467.74/77,927.70 = 30,975.03/x
  3. Step 3: Cross multiply
    56,467.74x = 77,927.70 × 30,975.03
  4. Step 4: Simplify right side
    56,467.74x = 2,413,812,845.33
  5. Step 5: Solve for x
    x = 2,413,812,845.33/56,467.74
  6. Step 6: Final answer
    x = 42,746.76

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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.