Home / 20,528.40-30,792.61-4,946.03

Finding the Fourth Proportional to 20,528.40, 30,792.61 and 4,946.03

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Solution

The fourth proportional to 20,528.40, 30,792.61 and 4,946.03 is: 7,419.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,528.40 : 30,792.61 = 4,946.03 : x
  2. Step 2: Convert to fraction form
    20,528.40/30,792.61 = 4,946.03/x
  3. Step 3: Cross multiply
    20,528.40x = 30,792.61 × 4,946.03
  4. Step 4: Simplify right side
    20,528.40x = 152,301,112.71
  5. Step 5: Solve for x
    x = 152,301,112.71/20,528.40
  6. Step 6: Final answer
    x = 7,419.04

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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.