Home / 54,296.51-74,927.09-30,421.99

Finding the Fourth Proportional to 54,296.51, 74,927.09 and 30,421.99

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Solution

The fourth proportional to 54,296.51, 74,927.09 and 30,421.99 is: 41,981.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,296.51 : 74,927.09 = 30,421.99 : x
  2. Step 2: Convert to fraction form
    54,296.51/74,927.09 = 30,421.99/x
  3. Step 3: Cross multiply
    54,296.51x = 74,927.09 × 30,421.99
  4. Step 4: Simplify right side
    54,296.51x = 2,279,430,655.96
  5. Step 5: Solve for x
    x = 2,279,430,655.96/54,296.51
  6. Step 6: Final answer
    x = 41,981.16

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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.