Home / 30,097.98-41,521.40-19,491.02

Finding the Fourth Proportional to 30,097.98, 41,521.40 and 19,491.02

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Solution

The fourth proportional to 30,097.98, 41,521.40 and 19,491.02 is: 26,888.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,097.98 : 41,521.40 = 19,491.02 : x
  2. Step 2: Convert to fraction form
    30,097.98/41,521.40 = 19,491.02/x
  3. Step 3: Cross multiply
    30,097.98x = 41,521.40 × 19,491.02
  4. Step 4: Simplify right side
    30,097.98x = 809,294,437.83
  5. Step 5: Solve for x
    x = 809,294,437.83/30,097.98
  6. Step 6: Final answer
    x = 26,888.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.