Home / 35,771.75-53,612.40-31,318.51

Finding the Fourth Proportional to 35,771.75, 53,612.40 and 31,318.51

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Solution

The fourth proportional to 35,771.75, 53,612.40 and 31,318.51 is: 46,938.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,771.75 : 53,612.40 = 31,318.51 : x
  2. Step 2: Convert to fraction form
    35,771.75/53,612.40 = 31,318.51/x
  3. Step 3: Cross multiply
    35,771.75x = 53,612.40 × 31,318.51
  4. Step 4: Simplify right side
    35,771.75x = 1,679,060,485.52
  5. Step 5: Solve for x
    x = 1,679,060,485.52/35,771.75
  6. Step 6: Final answer
    x = 46,938.17

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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.