Home / 30,172.48-45,258.24-9,397.12

Finding the Fourth Proportional to 30,172.48, 45,258.24 and 9,397.12

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Solution

The fourth proportional to 30,172.48, 45,258.24 and 9,397.12 is: 14,095.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,172.48 : 45,258.24 = 9,397.12 : x
  2. Step 2: Convert to fraction form
    30,172.48/45,258.24 = 9,397.12/x
  3. Step 3: Cross multiply
    30,172.48x = 45,258.24 × 9,397.12
  4. Step 4: Simplify right side
    30,172.48x = 425,297,112.27
  5. Step 5: Solve for x
    x = 425,297,112.27/30,172.48
  6. Step 6: Final answer
    x = 14,095.53

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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.