Home / 54,154.08-81,204.48-19,088.64

Finding the Fourth Proportional to 54,154.08, 81,204.48 and 19,088.64

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Solution

The fourth proportional to 54,154.08, 81,204.48 and 19,088.64 is: 28,623.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,154.08 : 81,204.48 = 19,088.64 : x
  2. Step 2: Convert to fraction form
    54,154.08/81,204.48 = 19,088.64/x
  3. Step 3: Cross multiply
    54,154.08x = 81,204.48 × 19,088.64
  4. Step 4: Simplify right side
    54,154.08x = 1,550,083,085.11
  5. Step 5: Solve for x
    x = 1,550,083,085.11/54,154.08
  6. Step 6: Final answer
    x = 28,623.57

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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.