Home / 31,085.16-46,618.47-11,359.14

Finding the Fourth Proportional to 31,085.16, 46,618.47 and 11,359.14

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Solution

The fourth proportional to 31,085.16, 46,618.47 and 11,359.14 is: 17,035.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,085.16 : 46,618.47 = 11,359.14 : x
  2. Step 2: Convert to fraction form
    31,085.16/46,618.47 = 11,359.14/x
  3. Step 3: Cross multiply
    31,085.16x = 46,618.47 × 11,359.14
  4. Step 4: Simplify right side
    31,085.16x = 529,545,727.32
  5. Step 5: Solve for x
    x = 529,545,727.32/31,085.16
  6. Step 6: Final answer
    x = 17,035.32

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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.