Home / 53,085.51-79,640.60-18,025.18

Finding the Fourth Proportional to 53,085.51, 79,640.60 and 18,025.18

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Solution

The fourth proportional to 53,085.51, 79,640.60 and 18,025.18 is: 27,041.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,085.51 : 79,640.60 = 18,025.18 : x
  2. Step 2: Convert to fraction form
    53,085.51/79,640.60 = 18,025.18/x
  3. Step 3: Cross multiply
    53,085.51x = 79,640.60 × 18,025.18
  4. Step 4: Simplify right side
    53,085.51x = 1,435,535,861.08
  5. Step 5: Solve for x
    x = 1,435,535,861.08/53,085.51
  6. Step 6: Final answer
    x = 27,041.95

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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.