Home / 36,218.70-54,328.05-28,782.90

Finding the Fourth Proportional to 36,218.70, 54,328.05 and 28,782.90

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Solution

The fourth proportional to 36,218.70, 54,328.05 and 28,782.90 is: 43,174.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,218.70 : 54,328.05 = 28,782.90 : x
  2. Step 2: Convert to fraction form
    36,218.70/54,328.05 = 28,782.90/x
  3. Step 3: Cross multiply
    36,218.70x = 54,328.05 × 28,782.90
  4. Step 4: Simplify right side
    36,218.70x = 1,563,718,830.35
  5. Step 5: Solve for x
    x = 1,563,718,830.35/36,218.70
  6. Step 6: Final answer
    x = 43,174.35

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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.