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Finding the Fourth Proportional to 30,480.30, 45,659.70 and 26,827.20

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Solution

The fourth proportional to 30,480.30, 45,659.70 and 26,827.20 is: 40,187.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,480.30 : 45,659.70 = 26,827.20 : x
  2. Step 2: Convert to fraction form
    30,480.30/45,659.70 = 26,827.20/x
  3. Step 3: Cross multiply
    30,480.30x = 45,659.70 × 26,827.20
  4. Step 4: Simplify right side
    30,480.30x = 1,224,921,903.84
  5. Step 5: Solve for x
    x = 1,224,921,903.84/30,480.30
  6. Step 6: Final answer
    x = 40,187.33

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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.