Home / 56,054.64-77,351.49-31,529.10

Finding the Fourth Proportional to 56,054.64, 77,351.49 and 31,529.10

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Solution

The fourth proportional to 56,054.64, 77,351.49 and 31,529.10 is: 43,507.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,054.64 : 77,351.49 = 31,529.10 : x
  2. Step 2: Convert to fraction form
    56,054.64/77,351.49 = 31,529.10/x
  3. Step 3: Cross multiply
    56,054.64x = 77,351.49 × 31,529.10
  4. Step 4: Simplify right side
    56,054.64x = 2,438,822,863.36
  5. Step 5: Solve for x
    x = 2,438,822,863.36/56,054.64
  6. Step 6: Final answer
    x = 43,507.96

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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.