Home / 45,899.40-63,290.57-31,727.64

Finding the Fourth Proportional to 45,899.40, 63,290.57 and 31,727.64

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Solution

The fourth proportional to 45,899.40, 63,290.57 and 31,727.64 is: 43,749.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,899.40 : 63,290.57 = 31,727.64 : x
  2. Step 2: Convert to fraction form
    45,899.40/63,290.57 = 31,727.64/x
  3. Step 3: Cross multiply
    45,899.40x = 63,290.57 × 31,727.64
  4. Step 4: Simplify right side
    45,899.40x = 2,008,060,183.22
  5. Step 5: Solve for x
    x = 2,008,060,183.22/45,899.40
  6. Step 6: Final answer
    x = 43,749.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.