Home / 54,328.20-81,506.16-16,888.59

Finding the Fourth Proportional to 54,328.20, 81,506.16 and 16,888.59

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Solution

The fourth proportional to 54,328.20, 81,506.16 and 16,888.59 is: 25,337.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,328.20 : 81,506.16 = 16,888.59 : x
  2. Step 2: Convert to fraction form
    54,328.20/81,506.16 = 16,888.59/x
  3. Step 3: Cross multiply
    54,328.20x = 81,506.16 × 16,888.59
  4. Step 4: Simplify right side
    54,328.20x = 1,376,524,490.19
  5. Step 5: Solve for x
    x = 1,376,524,490.19/54,328.20
  6. Step 6: Final answer
    x = 25,337.20

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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.