Home / 54,274.08-74,897.79-30,400.98

Finding the Fourth Proportional to 54,274.08, 74,897.79 and 30,400.98

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Solution

The fourth proportional to 54,274.08, 74,897.79 and 30,400.98 is: 41,953.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,274.08 : 74,897.79 = 30,400.98 : x
  2. Step 2: Convert to fraction form
    54,274.08/74,897.79 = 30,400.98/x
  3. Step 3: Cross multiply
    54,274.08x = 74,897.79 × 30,400.98
  4. Step 4: Simplify right side
    54,274.08x = 2,276,966,215.83
  5. Step 5: Solve for x
    x = 2,276,966,215.83/54,274.08
  6. Step 6: Final answer
    x = 41,953.11

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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.