Home / 40,823.06-61,236.81-12,746.97

Finding the Fourth Proportional to 40,823.06, 61,236.81 and 12,746.97

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Solution

The fourth proportional to 40,823.06, 61,236.81 and 12,746.97 is: 19,121.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,823.06 : 61,236.81 = 12,746.97 : x
  2. Step 2: Convert to fraction form
    40,823.06/61,236.81 = 12,746.97/x
  3. Step 3: Cross multiply
    40,823.06x = 61,236.81 × 12,746.97
  4. Step 4: Simplify right side
    40,823.06x = 780,583,779.97
  5. Step 5: Solve for x
    x = 780,583,779.97/40,823.06
  6. Step 6: Final answer
    x = 19,121.15

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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.