Home / 53,789.90-74,224.37-29,912.70

Finding the Fourth Proportional to 53,789.90, 74,224.37 and 29,912.70

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Solution

The fourth proportional to 53,789.90, 74,224.37 and 29,912.70 is: 41,276.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,789.90 : 74,224.37 = 29,912.70 : x
  2. Step 2: Convert to fraction form
    53,789.90/74,224.37 = 29,912.70/x
  3. Step 3: Cross multiply
    53,789.90x = 74,224.37 × 29,912.70
  4. Step 4: Simplify right side
    53,789.90x = 2,220,251,312.50
  5. Step 5: Solve for x
    x = 2,220,251,312.50/53,789.90
  6. Step 6: Final answer
    x = 41,276.36

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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.