Home / 53,636.18-74,018.21-29,762.82

Finding the Fourth Proportional to 53,636.18, 74,018.21 and 29,762.82

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Solution

The fourth proportional to 53,636.18, 74,018.21 and 29,762.82 is: 41,072.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,636.18 : 74,018.21 = 29,762.82 : x
  2. Step 2: Convert to fraction form
    53,636.18/74,018.21 = 29,762.82/x
  3. Step 3: Cross multiply
    53,636.18x = 74,018.21 × 29,762.82
  4. Step 4: Simplify right side
    53,636.18x = 2,202,990,512.14
  5. Step 5: Solve for x
    x = 2,202,990,512.14/53,636.18
  6. Step 6: Final answer
    x = 41,072.85

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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.