Home / 56,837.39-78,433.88-31,343.74

Finding the Fourth Proportional to 56,837.39, 78,433.88 and 31,343.74

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Solution

The fourth proportional to 56,837.39, 78,433.88 and 31,343.74 is: 43,253.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,837.39 : 78,433.88 = 31,343.74 : x
  2. Step 2: Convert to fraction form
    56,837.39/78,433.88 = 31,343.74/x
  3. Step 3: Cross multiply
    56,837.39x = 78,433.88 × 31,343.74
  4. Step 4: Simplify right side
    56,837.39x = 2,458,410,789.11
  5. Step 5: Solve for x
    x = 2,458,410,789.11/56,837.39
  6. Step 6: Final answer
    x = 43,253.41

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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.