Home / 53,089.36-79,578.51-19,794.94

Finding the Fourth Proportional to 53,089.36, 79,578.51 and 19,794.94

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Solution

The fourth proportional to 53,089.36, 79,578.51 and 19,794.94 is: 29,671.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,089.36 : 79,578.51 = 19,794.94 : x
  2. Step 2: Convert to fraction form
    53,089.36/79,578.51 = 19,794.94/x
  3. Step 3: Cross multiply
    53,089.36x = 79,578.51 × 19,794.94
  4. Step 4: Simplify right side
    53,089.36x = 1,575,251,557.56
  5. Step 5: Solve for x
    x = 1,575,251,557.56/53,089.36
  6. Step 6: Final answer
    x = 29,671.70

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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.