Home / 54,315.40-81,473.10-14,872.45

Finding the Fourth Proportional to 54,315.40, 81,473.10 and 14,872.45

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Solution

The fourth proportional to 54,315.40, 81,473.10 and 14,872.45 is: 22,308.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,315.40 : 81,473.10 = 14,872.45 : x
  2. Step 2: Convert to fraction form
    54,315.40/81,473.10 = 14,872.45/x
  3. Step 3: Cross multiply
    54,315.40x = 81,473.10 × 14,872.45
  4. Step 4: Simplify right side
    54,315.40x = 1,211,704,606.10
  5. Step 5: Solve for x
    x = 1,211,704,606.10/54,315.40
  6. Step 6: Final answer
    x = 22,308.68

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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.