Home / 40,480.66-55,870.14-29,900.98

Finding the Fourth Proportional to 40,480.66, 55,870.14 and 29,900.98

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Solution

The fourth proportional to 40,480.66, 55,870.14 and 29,900.98 is: 41,268.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,480.66 : 55,870.14 = 29,900.98 : x
  2. Step 2: Convert to fraction form
    40,480.66/55,870.14 = 29,900.98/x
  3. Step 3: Cross multiply
    40,480.66x = 55,870.14 × 29,900.98
  4. Step 4: Simplify right side
    40,480.66x = 1,670,571,938.74
  5. Step 5: Solve for x
    x = 1,670,571,938.74/40,480.66
  6. Step 6: Final answer
    x = 41,268.40

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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.