Home / 53,636.20-74,018.28-29,763.34

Finding the Fourth Proportional to 53,636.20, 74,018.28 and 29,763.34

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Solution

The fourth proportional to 53,636.20, 74,018.28 and 29,763.34 is: 41,073.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,636.20 : 74,018.28 = 29,763.34 : x
  2. Step 2: Convert to fraction form
    53,636.20/74,018.28 = 29,763.34/x
  3. Step 3: Cross multiply
    53,636.20x = 74,018.28 × 29,763.34
  4. Step 4: Simplify right side
    53,636.20x = 2,203,031,233.86
  5. Step 5: Solve for x
    x = 2,203,031,233.86/53,636.20
  6. Step 6: Final answer
    x = 41,073.59

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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.