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Finding the Fourth Proportional to 30,229.60, 45,344.40 and 26,946.40

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Solution

The fourth proportional to 30,229.60, 45,344.40 and 26,946.40 is: 40,419.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,229.60 : 45,344.40 = 26,946.40 : x
  2. Step 2: Convert to fraction form
    30,229.60/45,344.40 = 26,946.40/x
  3. Step 3: Cross multiply
    30,229.60x = 45,344.40 × 26,946.40
  4. Step 4: Simplify right side
    30,229.60x = 1,221,868,340.16
  5. Step 5: Solve for x
    x = 1,221,868,340.16/30,229.60
  6. Step 6: Final answer
    x = 40,419.60

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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.