Home / 53,853.71-74,311.67-31,189.55

Finding the Fourth Proportional to 53,853.71, 74,311.67 and 31,189.55

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Solution

The fourth proportional to 53,853.71, 74,311.67 and 31,189.55 is: 43,037.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,853.71 : 74,311.67 = 31,189.55 : x
  2. Step 2: Convert to fraction form
    53,853.71/74,311.67 = 31,189.55/x
  3. Step 3: Cross multiply
    53,853.71x = 74,311.67 × 31,189.55
  4. Step 4: Simplify right side
    53,853.71x = 2,317,747,253.46
  5. Step 5: Solve for x
    x = 2,317,747,253.46/53,853.71
  6. Step 6: Final answer
    x = 43,037.84

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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.