Home / 64,873.37-89,510.04-39,379.12

Finding the Fourth Proportional to 64,873.37, 89,510.04 and 39,379.12

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Solution

The fourth proportional to 64,873.37, 89,510.04 and 39,379.12 is: 54,333.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,873.37 : 89,510.04 = 39,379.12 : x
  2. Step 2: Convert to fraction form
    64,873.37/89,510.04 = 39,379.12/x
  3. Step 3: Cross multiply
    64,873.37x = 89,510.04 × 39,379.12
  4. Step 4: Simplify right side
    64,873.37x = 3,524,826,606.36
  5. Step 5: Solve for x
    x = 3,524,826,606.36/64,873.37
  6. Step 6: Final answer
    x = 54,333.95

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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.