Home / 53,983.07-74,476.55-31,309.34

Finding the Fourth Proportional to 53,983.07, 74,476.55 and 31,309.34

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Solution

The fourth proportional to 53,983.07, 74,476.55 and 31,309.34 is: 43,195.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,983.07 : 74,476.55 = 31,309.34 : x
  2. Step 2: Convert to fraction form
    53,983.07/74,476.55 = 31,309.34/x
  3. Step 3: Cross multiply
    53,983.07x = 74,476.55 × 31,309.34
  4. Step 4: Simplify right side
    53,983.07x = 2,331,811,469.43
  5. Step 5: Solve for x
    x = 2,331,811,469.43/53,983.07
  6. Step 6: Final answer
    x = 43,195.24

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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.