Home / 53,840.53-80,671.93-31,287.91

Finding the Fourth Proportional to 53,840.53, 80,671.93 and 31,287.91

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Solution

The fourth proportional to 53,840.53, 80,671.93 and 31,287.91 is: 46,880.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,840.53 : 80,671.93 = 31,287.91 : x
  2. Step 2: Convert to fraction form
    53,840.53/80,671.93 = 31,287.91/x
  3. Step 3: Cross multiply
    53,840.53x = 80,671.93 × 31,287.91
  4. Step 4: Simplify right side
    53,840.53x = 2,524,056,085.37
  5. Step 5: Solve for x
    x = 2,524,056,085.37/53,840.53
  6. Step 6: Final answer
    x = 46,880.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.