Home / 54,347.49-74,967.69-34,172.40

Finding the Fourth Proportional to 54,347.49, 74,967.69 and 34,172.40

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Solution

The fourth proportional to 54,347.49, 74,967.69 and 34,172.40 is: 47,137.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,347.49 : 74,967.69 = 34,172.40 : x
  2. Step 2: Convert to fraction form
    54,347.49/74,967.69 = 34,172.40/x
  3. Step 3: Cross multiply
    54,347.49x = 74,967.69 × 34,172.40
  4. Step 4: Simplify right side
    54,347.49x = 2,561,825,889.76
  5. Step 5: Solve for x
    x = 2,561,825,889.76/54,347.49
  6. Step 6: Final answer
    x = 47,137.89

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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.