Home / 54,315.78-81,473.94-16,875.06

Finding the Fourth Proportional to 54,315.78, 81,473.94 and 16,875.06

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Solution

The fourth proportional to 54,315.78, 81,473.94 and 16,875.06 is: 25,312.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,315.78 : 81,473.94 = 16,875.06 : x
  2. Step 2: Convert to fraction form
    54,315.78/81,473.94 = 16,875.06/x
  3. Step 3: Cross multiply
    54,315.78x = 81,473.94 × 16,875.06
  4. Step 4: Simplify right side
    54,315.78x = 1,374,877,625.94
  5. Step 5: Solve for x
    x = 1,374,877,625.94/54,315.78
  6. Step 6: Final answer
    x = 25,312.67

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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.