Home / 38,862.40-58,293.60-26,420.80

Finding the Fourth Proportional to 38,862.40, 58,293.60 and 26,420.80

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Solution

The fourth proportional to 38,862.40, 58,293.60 and 26,420.80 is: 39,631.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,862.40 : 58,293.60 = 26,420.80 : x
  2. Step 2: Convert to fraction form
    38,862.40/58,293.60 = 26,420.80/x
  3. Step 3: Cross multiply
    38,862.40x = 58,293.60 × 26,420.80
  4. Step 4: Simplify right side
    38,862.40x = 1,540,163,546.88
  5. Step 5: Solve for x
    x = 1,540,163,546.88/38,862.40
  6. Step 6: Final answer
    x = 39,631.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.