Home / 20,528.71-30,793.08-4,946.35

Finding the Fourth Proportional to 20,528.71, 30,793.08 and 4,946.35

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Solution

The fourth proportional to 20,528.71, 30,793.08 and 4,946.35 is: 7,419.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,528.71 : 30,793.08 = 4,946.35 : x
  2. Step 2: Convert to fraction form
    20,528.71/30,793.08 = 4,946.35/x
  3. Step 3: Cross multiply
    20,528.71x = 30,793.08 × 4,946.35
  4. Step 4: Simplify right side
    20,528.71x = 152,313,351.26
  5. Step 5: Solve for x
    x = 152,313,351.26/20,528.71
  6. Step 6: Final answer
    x = 7,419.53

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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.