Home / 56,863.51-78,471.41-31,371.46

Finding the Fourth Proportional to 56,863.51, 78,471.41 and 31,371.46

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Solution

The fourth proportional to 56,863.51, 78,471.41 and 31,371.46 is: 43,292.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,863.51 : 78,471.41 = 31,371.46 : x
  2. Step 2: Convert to fraction form
    56,863.51/78,471.41 = 31,371.46/x
  3. Step 3: Cross multiply
    56,863.51x = 78,471.41 × 31,371.46
  4. Step 4: Simplify right side
    56,863.51x = 2,461,762,346.92
  5. Step 5: Solve for x
    x = 2,461,762,346.92/56,863.51
  6. Step 6: Final answer
    x = 43,292.48

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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.