Home / 44,490.09-66,742.56-21,103.77

Finding the Fourth Proportional to 44,490.09, 66,742.56 and 21,103.77

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Solution

The fourth proportional to 44,490.09, 66,742.56 and 21,103.77 is: 31,659.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,490.09 : 66,742.56 = 21,103.77 : x
  2. Step 2: Convert to fraction form
    44,490.09/66,742.56 = 21,103.77/x
  3. Step 3: Cross multiply
    44,490.09x = 66,742.56 × 21,103.77
  4. Step 4: Simplify right side
    44,490.09x = 1,408,519,635.45
  5. Step 5: Solve for x
    x = 1,408,519,635.45/44,490.09
  6. Step 6: Final answer
    x = 31,659.18

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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.