Home / 53,316-79,974.48-18,255.96

Finding the Fourth Proportional to 53,316, 79,974.48 and 18,255.96

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Solution

The fourth proportional to 53,316, 79,974.48 and 18,255.96 is: 27,384.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,316 : 79,974.48 = 18,255.96 : x
  2. Step 2: Convert to fraction form
    53,316/79,974.48 = 18,255.96/x
  3. Step 3: Cross multiply
    53,316x = 79,974.48 × 18,255.96
  4. Step 4: Simplify right side
    53,316x = 1,460,010,907.90
  5. Step 5: Solve for x
    x = 1,460,010,907.90/53,316
  6. Step 6: Final answer
    x = 27,384.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.