Home / 64,555.08-89,085.70-35,879.44

Finding the Fourth Proportional to 64,555.08, 89,085.70 and 35,879.44

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Solution

The fourth proportional to 64,555.08, 89,085.70 and 35,879.44 is: 49,513.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,555.08 : 89,085.70 = 35,879.44 : x
  2. Step 2: Convert to fraction form
    64,555.08/89,085.70 = 35,879.44/x
  3. Step 3: Cross multiply
    64,555.08x = 89,085.70 × 35,879.44
  4. Step 4: Simplify right side
    64,555.08x = 3,196,345,028.01
  5. Step 5: Solve for x
    x = 3,196,345,028.01/64,555.08
  6. Step 6: Final answer
    x = 49,513.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.