Home / 61,278.32-91,925.40-21,846.80

Finding the Fourth Proportional to 61,278.32, 91,925.40 and 21,846.80

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Solution

The fourth proportional to 61,278.32, 91,925.40 and 21,846.80 is: 32,773.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,278.32 : 91,925.40 = 21,846.80 : x
  2. Step 2: Convert to fraction form
    61,278.32/91,925.40 = 21,846.80/x
  3. Step 3: Cross multiply
    61,278.32x = 91,925.40 × 21,846.80
  4. Step 4: Simplify right side
    61,278.32x = 2,008,275,828.72
  5. Step 5: Solve for x
    x = 2,008,275,828.72/61,278.32
  6. Step 6: Final answer
    x = 32,773.02

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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.