Home / 52,700.49-79,048.29-19,418.31

Finding the Fourth Proportional to 52,700.49, 79,048.29 and 19,418.31

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Solution

The fourth proportional to 52,700.49, 79,048.29 and 19,418.31 is: 29,126.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,700.49 : 79,048.29 = 19,418.31 : x
  2. Step 2: Convert to fraction form
    52,700.49/79,048.29 = 19,418.31/x
  3. Step 3: Cross multiply
    52,700.49x = 79,048.29 × 19,418.31
  4. Step 4: Simplify right side
    52,700.49x = 1,534,984,200.19
  5. Step 5: Solve for x
    x = 1,534,984,200.19/52,700.49
  6. Step 6: Final answer
    x = 29,126.56

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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.