Home / 53,851.50-74,313.88-31,194.58

Finding the Fourth Proportional to 53,851.50, 74,313.88 and 31,194.58

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Solution

The fourth proportional to 53,851.50, 74,313.88 and 31,194.58 is: 43,047.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,851.50 : 74,313.88 = 31,194.58 : x
  2. Step 2: Convert to fraction form
    53,851.50/74,313.88 = 31,194.58/x
  3. Step 3: Cross multiply
    53,851.50x = 74,313.88 × 31,194.58
  4. Step 4: Simplify right side
    53,851.50x = 2,318,190,274.77
  5. Step 5: Solve for x
    x = 2,318,190,274.77/53,851.50
  6. Step 6: Final answer
    x = 43,047.83

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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.