Home / 55,491.85-76,573.47-31,617.91

Finding the Fourth Proportional to 55,491.85, 76,573.47 and 31,617.91

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Solution

The fourth proportional to 55,491.85, 76,573.47 and 31,617.91 is: 43,629.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,491.85 : 76,573.47 = 31,617.91 : x
  2. Step 2: Convert to fraction form
    55,491.85/76,573.47 = 31,617.91/x
  3. Step 3: Cross multiply
    55,491.85x = 76,573.47 × 31,617.91
  4. Step 4: Simplify right side
    55,491.85x = 2,421,093,082.85
  5. Step 5: Solve for x
    x = 2,421,093,082.85/55,491.85
  6. Step 6: Final answer
    x = 43,629.71

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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.