Home / 54,099.86-81,146.75-14,654.07

Finding the Fourth Proportional to 54,099.86, 81,146.75 and 14,654.07

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Solution

The fourth proportional to 54,099.86, 81,146.75 and 14,654.07 is: 21,980.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,099.86 : 81,146.75 = 14,654.07 : x
  2. Step 2: Convert to fraction form
    54,099.86/81,146.75 = 14,654.07/x
  3. Step 3: Cross multiply
    54,099.86x = 81,146.75 × 14,654.07
  4. Step 4: Simplify right side
    54,099.86x = 1,189,130,081.50
  5. Step 5: Solve for x
    x = 1,189,130,081.50/54,099.86
  6. Step 6: Final answer
    x = 21,980.28

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1.5x scale

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.