Home / 53,267.63-79,880.68-19,969.55

Finding the Fourth Proportional to 53,267.63, 79,880.68 and 19,969.55

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Solution

The fourth proportional to 53,267.63, 79,880.68 and 19,969.55 is: 29,946.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,267.63 : 79,880.68 = 19,969.55 : x
  2. Step 2: Convert to fraction form
    53,267.63/79,880.68 = 19,969.55/x
  3. Step 3: Cross multiply
    53,267.63x = 79,880.68 × 19,969.55
  4. Step 4: Simplify right side
    53,267.63x = 1,595,180,734.04
  5. Step 5: Solve for x
    x = 1,595,180,734.04/53,267.63
  6. Step 6: Final answer
    x = 29,946.53

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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.