Home / 53,053.07-79,584.80-19,328.25

Finding the Fourth Proportional to 53,053.07, 79,584.80 and 19,328.25

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Solution

The fourth proportional to 53,053.07, 79,584.80 and 19,328.25 is: 28,994.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,053.07 : 79,584.80 = 19,328.25 : x
  2. Step 2: Convert to fraction form
    53,053.07/79,584.80 = 19,328.25/x
  3. Step 3: Cross multiply
    53,053.07x = 79,584.80 × 19,328.25
  4. Step 4: Simplify right side
    53,053.07x = 1,538,234,813.96
  5. Step 5: Solve for x
    x = 1,538,234,813.96/53,053.07
  6. Step 6: Final answer
    x = 28,994.27

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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.