Home / 40,454.21-55,828.70-22,549.35

Finding the Fourth Proportional to 40,454.21, 55,828.70 and 22,549.35

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Solution

The fourth proportional to 40,454.21, 55,828.70 and 22,549.35 is: 31,119.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,454.21 : 55,828.70 = 22,549.35 : x
  2. Step 2: Convert to fraction form
    40,454.21/55,828.70 = 22,549.35/x
  3. Step 3: Cross multiply
    40,454.21x = 55,828.70 × 22,549.35
  4. Step 4: Simplify right side
    40,454.21x = 1,258,900,617.20
  5. Step 5: Solve for x
    x = 1,258,900,617.20/40,454.21
  6. Step 6: Final answer
    x = 31,119.15

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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.