Home / 51,601.74-71,188.50-31,455.82

Finding the Fourth Proportional to 51,601.74, 71,188.50 and 31,455.82

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Solution

The fourth proportional to 51,601.74, 71,188.50 and 31,455.82 is: 43,395.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,601.74 : 71,188.50 = 31,455.82 : x
  2. Step 2: Convert to fraction form
    51,601.74/71,188.50 = 31,455.82/x
  3. Step 3: Cross multiply
    51,601.74x = 71,188.50 × 31,455.82
  4. Step 4: Simplify right side
    51,601.74x = 2,239,292,642.07
  5. Step 5: Solve for x
    x = 2,239,292,642.07/51,601.74
  6. Step 6: Final answer
    x = 43,395.68

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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.