Home / 54,525.14-81,800.81-18,981.23

Finding the Fourth Proportional to 54,525.14, 81,800.81 and 18,981.23

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Solution

The fourth proportional to 54,525.14, 81,800.81 and 18,981.23 is: 28,476.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,525.14 : 81,800.81 = 18,981.23 : x
  2. Step 2: Convert to fraction form
    54,525.14/81,800.81 = 18,981.23/x
  3. Step 3: Cross multiply
    54,525.14x = 81,800.81 × 18,981.23
  4. Step 4: Simplify right side
    54,525.14x = 1,552,679,484.89
  5. Step 5: Solve for x
    x = 1,552,679,484.89/54,525.14
  6. Step 6: Final answer
    x = 28,476.40

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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.