Home / 53,858.79-74,305.90-31,185.41

Finding the Fourth Proportional to 53,858.79, 74,305.90 and 31,185.41

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Solution

The fourth proportional to 53,858.79, 74,305.90 and 31,185.41 is: 43,024.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,858.79 : 74,305.90 = 31,185.41 : x
  2. Step 2: Convert to fraction form
    53,858.79/74,305.90 = 31,185.41/x
  3. Step 3: Cross multiply
    53,858.79x = 74,305.90 × 31,185.41
  4. Step 4: Simplify right side
    53,858.79x = 2,317,259,429.46
  5. Step 5: Solve for x
    x = 2,317,259,429.46/53,858.79
  6. Step 6: Final answer
    x = 43,024.72

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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.