Home / 31,134.36-46,467.51-28,490.52

Finding the Fourth Proportional to 31,134.36, 46,467.51 and 28,490.52

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Solution

The fourth proportional to 31,134.36, 46,467.51 and 28,490.52 is: 42,521.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,134.36 : 46,467.51 = 28,490.52 : x
  2. Step 2: Convert to fraction form
    31,134.36/46,467.51 = 28,490.52/x
  3. Step 3: Cross multiply
    31,134.36x = 46,467.51 × 28,490.52
  4. Step 4: Simplify right side
    31,134.36x = 1,323,883,523.01
  5. Step 5: Solve for x
    x = 1,323,883,523.01/31,134.36
  6. Step 6: Final answer
    x = 42,521.62

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.