Home / 53,782.58-74,221.18-29,908.38

Finding the Fourth Proportional to 53,782.58, 74,221.18 and 29,908.38

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Solution

The fourth proportional to 53,782.58, 74,221.18 and 29,908.38 is: 41,274.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,782.58 : 74,221.18 = 29,908.38 : x
  2. Step 2: Convert to fraction form
    53,782.58/74,221.18 = 29,908.38/x
  3. Step 3: Cross multiply
    53,782.58x = 74,221.18 × 29,908.38
  4. Step 4: Simplify right side
    53,782.58x = 2,219,835,255.49
  5. Step 5: Solve for x
    x = 2,219,835,255.49/53,782.58
  6. Step 6: Final answer
    x = 41,274.24

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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.