Home / 45,043.40-62,027.16-38,622.80

Finding the Fourth Proportional to 45,043.40, 62,027.16 and 38,622.80

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Solution

The fourth proportional to 45,043.40, 62,027.16 and 38,622.80 is: 53,185.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,043.40 : 62,027.16 = 38,622.80 : x
  2. Step 2: Convert to fraction form
    45,043.40/62,027.16 = 38,622.80/x
  3. Step 3: Cross multiply
    45,043.40x = 62,027.16 × 38,622.80
  4. Step 4: Simplify right side
    45,043.40x = 2,395,662,595.25
  5. Step 5: Solve for x
    x = 2,395,662,595.25/45,043.40
  6. Step 6: Final answer
    x = 53,185.65

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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.