Home / 64,879.40-89,534.22-38,037.80

Finding the Fourth Proportional to 64,879.40, 89,534.22 and 38,037.80

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Solution

The fourth proportional to 64,879.40, 89,534.22 and 38,037.80 is: 52,492.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,879.40 : 89,534.22 = 38,037.80 : x
  2. Step 2: Convert to fraction form
    64,879.40/89,534.22 = 38,037.80/x
  3. Step 3: Cross multiply
    64,879.40x = 89,534.22 × 38,037.80
  4. Step 4: Simplify right side
    64,879.40x = 3,405,684,753.52
  5. Step 5: Solve for x
    x = 3,405,684,753.52/64,879.40
  6. Step 6: Final answer
    x = 52,492.54

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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.