Home / 54,326.48-81,490.38-16,885.70

Finding the Fourth Proportional to 54,326.48, 81,490.38 and 16,885.70

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Solution

The fourth proportional to 54,326.48, 81,490.38 and 16,885.70 is: 25,328.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,326.48 : 81,490.38 = 16,885.70 : x
  2. Step 2: Convert to fraction form
    54,326.48/81,490.38 = 16,885.70/x
  3. Step 3: Cross multiply
    54,326.48x = 81,490.38 × 16,885.70
  4. Step 4: Simplify right side
    54,326.48x = 1,376,021,702.11
  5. Step 5: Solve for x
    x = 1,376,021,702.11/54,326.48
  6. Step 6: Final answer
    x = 25,328.75

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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.