Home / 44,480.72-66,729.16-21,106.92

Finding the Fourth Proportional to 44,480.72, 66,729.16 and 21,106.92

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Solution

The fourth proportional to 44,480.72, 66,729.16 and 21,106.92 is: 31,664.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,480.72 : 66,729.16 = 21,106.92 : x
  2. Step 2: Convert to fraction form
    44,480.72/66,729.16 = 21,106.92/x
  3. Step 3: Cross multiply
    44,480.72x = 66,729.16 × 21,106.92
  4. Step 4: Simplify right side
    44,480.72x = 1,408,447,041.79
  5. Step 5: Solve for x
    x = 1,408,447,041.79/44,480.72
  6. Step 6: Final answer
    x = 31,664.21

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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.