Home / 38,670.60-53,378.10-22,754.28

Finding the Fourth Proportional to 38,670.60, 53,378.10 and 22,754.28

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Solution

The fourth proportional to 38,670.60, 53,378.10 and 22,754.28 is: 31,408.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,670.60 : 53,378.10 = 22,754.28 : x
  2. Step 2: Convert to fraction form
    38,670.60/53,378.10 = 22,754.28/x
  3. Step 3: Cross multiply
    38,670.60x = 53,378.10 × 22,754.28
  4. Step 4: Simplify right side
    38,670.60x = 1,214,580,233.27
  5. Step 5: Solve for x
    x = 1,214,580,233.27/38,670.60
  6. Step 6: Final answer
    x = 31,408.36

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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.