Home / 44,485.66-66,717.69-20,778.22

Finding the Fourth Proportional to 44,485.66, 66,717.69 and 20,778.22

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Solution

The fourth proportional to 44,485.66, 66,717.69 and 20,778.22 is: 31,162.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,485.66 : 66,717.69 = 20,778.22 : x
  2. Step 2: Convert to fraction form
    44,485.66/66,717.69 = 20,778.22/x
  3. Step 3: Cross multiply
    44,485.66x = 66,717.69 × 20,778.22
  4. Step 4: Simplify right side
    44,485.66x = 1,386,274,840.71
  5. Step 5: Solve for x
    x = 1,386,274,840.71/44,485.66
  6. Step 6: Final answer
    x = 31,162.29

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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.