Home / 56,496.78-77,964.08-31,003.07

Finding the Fourth Proportional to 56,496.78, 77,964.08 and 31,003.07

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Solution

The fourth proportional to 56,496.78, 77,964.08 and 31,003.07 is: 42,783.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,496.78 : 77,964.08 = 31,003.07 : x
  2. Step 2: Convert to fraction form
    56,496.78/77,964.08 = 31,003.07/x
  3. Step 3: Cross multiply
    56,496.78x = 77,964.08 × 31,003.07
  4. Step 4: Simplify right side
    56,496.78x = 2,417,125,284.89
  5. Step 5: Solve for x
    x = 2,417,125,284.89/56,496.78
  6. Step 6: Final answer
    x = 42,783.42

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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.