Home / 45,638.20-62,980.74-26,775.40

Finding the Fourth Proportional to 45,638.20, 62,980.74 and 26,775.40

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Solution

The fourth proportional to 45,638.20, 62,980.74 and 26,775.40 is: 36,950.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,638.20 : 62,980.74 = 26,775.40 : x
  2. Step 2: Convert to fraction form
    45,638.20/62,980.74 = 26,775.40/x
  3. Step 3: Cross multiply
    45,638.20x = 62,980.74 × 26,775.40
  4. Step 4: Simplify right side
    45,638.20x = 1,686,334,505.80
  5. Step 5: Solve for x
    x = 1,686,334,505.80/45,638.20
  6. Step 6: Final answer
    x = 36,950.07

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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.