Home / 54,024.21-81,072.77-18,964.17

Finding the Fourth Proportional to 54,024.21, 81,072.77 and 18,964.17

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Solution

The fourth proportional to 54,024.21, 81,072.77 and 18,964.17 is: 28,459.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,024.21 : 81,072.77 = 18,964.17 : x
  2. Step 2: Convert to fraction form
    54,024.21/81,072.77 = 18,964.17/x
  3. Step 3: Cross multiply
    54,024.21x = 81,072.77 × 18,964.17
  4. Step 4: Simplify right side
    54,024.21x = 1,537,477,697.83
  5. Step 5: Solve for x
    x = 1,537,477,697.83/54,024.21
  6. Step 6: Final answer
    x = 28,459.05

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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.