Home / 30,398.11-41,950.10-19,068.08

Finding the Fourth Proportional to 30,398.11, 41,950.10 and 19,068.08

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Solution

The fourth proportional to 30,398.11, 41,950.10 and 19,068.08 is: 26,314.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,398.11 : 41,950.10 = 19,068.08 : x
  2. Step 2: Convert to fraction form
    30,398.11/41,950.10 = 19,068.08/x
  3. Step 3: Cross multiply
    30,398.11x = 41,950.10 × 19,068.08
  4. Step 4: Simplify right side
    30,398.11x = 799,908,054.68
  5. Step 5: Solve for x
    x = 799,908,054.68/30,398.11
  6. Step 6: Final answer
    x = 26,314.40

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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.