Home / 53,267.47-79,880.43-19,969.36

Finding the Fourth Proportional to 53,267.47, 79,880.43 and 19,969.36

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Solution

The fourth proportional to 53,267.47, 79,880.43 and 19,969.36 is: 29,946.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,267.47 : 79,880.43 = 19,969.36 : x
  2. Step 2: Convert to fraction form
    53,267.47/79,880.43 = 19,969.36/x
  3. Step 3: Cross multiply
    53,267.47x = 79,880.43 × 19,969.36
  4. Step 4: Simplify right side
    53,267.47x = 1,595,160,863.92
  5. Step 5: Solve for x
    x = 1,595,160,863.92/53,267.47
  6. Step 6: Final answer
    x = 29,946.25

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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.