Home / 56,433.53-77,877.75-30,941.31

Finding the Fourth Proportional to 56,433.53, 77,877.75 and 30,941.31

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Solution

The fourth proportional to 56,433.53, 77,877.75 and 30,941.31 is: 42,698.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,433.53 : 77,877.75 = 30,941.31 : x
  2. Step 2: Convert to fraction form
    56,433.53/77,877.75 = 30,941.31/x
  3. Step 3: Cross multiply
    56,433.53x = 77,877.75 × 30,941.31
  4. Step 4: Simplify right side
    56,433.53x = 2,409,639,604.85
  5. Step 5: Solve for x
    x = 2,409,639,604.85/56,433.53
  6. Step 6: Final answer
    x = 42,698.72

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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.