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Finding the Fourth Proportional to 32,802.80, 49,204.20 and 30,268.40

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Solution

The fourth proportional to 32,802.80, 49,204.20 and 30,268.40 is: 45,402.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,802.80 : 49,204.20 = 30,268.40 : x
  2. Step 2: Convert to fraction form
    32,802.80/49,204.20 = 30,268.40/x
  3. Step 3: Cross multiply
    32,802.80x = 49,204.20 × 30,268.40
  4. Step 4: Simplify right side
    32,802.80x = 1,489,332,407.28
  5. Step 5: Solve for x
    x = 1,489,332,407.28/32,802.80
  6. Step 6: Final answer
    x = 45,402.60

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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.