Home / 56,424.77-77,865.94-31,274.27

Finding the Fourth Proportional to 56,424.77, 77,865.94 and 31,274.27

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Solution

The fourth proportional to 56,424.77, 77,865.94 and 31,274.27 is: 43,158.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,424.77 : 77,865.94 = 31,274.27 : x
  2. Step 2: Convert to fraction form
    56,424.77/77,865.94 = 31,274.27/x
  3. Step 3: Cross multiply
    56,424.77x = 77,865.94 × 31,274.27
  4. Step 4: Simplify right side
    56,424.77x = 2,435,200,431.36
  5. Step 5: Solve for x
    x = 2,435,200,431.36/56,424.77
  6. Step 6: Final answer
    x = 43,158.36

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1.5x scale

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.