Home / 56,433.44-77,877.59-30,939.87

Finding the Fourth Proportional to 56,433.44, 77,877.59 and 30,939.87

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Solution

The fourth proportional to 56,433.44, 77,877.59 and 30,939.87 is: 42,696.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,433.44 : 77,877.59 = 30,939.87 : x
  2. Step 2: Convert to fraction form
    56,433.44/77,877.59 = 30,939.87/x
  3. Step 3: Cross multiply
    56,433.44x = 77,877.59 × 30,939.87
  4. Step 4: Simplify right side
    56,433.44x = 2,409,522,647.85
  5. Step 5: Solve for x
    x = 2,409,522,647.85/56,433.44
  6. Step 6: Final answer
    x = 42,696.72

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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.