Home / 45,085.83-67,640.28-26,381.60

Finding the Fourth Proportional to 45,085.83, 67,640.28 and 26,381.60

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Solution

The fourth proportional to 45,085.83, 67,640.28 and 26,381.60 is: 39,579.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,085.83 : 67,640.28 = 26,381.60 : x
  2. Step 2: Convert to fraction form
    45,085.83/67,640.28 = 26,381.60/x
  3. Step 3: Cross multiply
    45,085.83x = 67,640.28 × 26,381.60
  4. Step 4: Simplify right side
    45,085.83x = 1,784,458,810.85
  5. Step 5: Solve for x
    x = 1,784,458,810.85/45,085.83
  6. Step 6: Final answer
    x = 39,579.15

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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.