Home / 64,730.31-89,327.88-36,436.65

Finding the Fourth Proportional to 64,730.31, 89,327.88 and 36,436.65

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Solution

The fourth proportional to 64,730.31, 89,327.88 and 36,436.65 is: 50,282.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,730.31 : 89,327.88 = 36,436.65 : x
  2. Step 2: Convert to fraction form
    64,730.31/89,327.88 = 36,436.65/x
  3. Step 3: Cross multiply
    64,730.31x = 89,327.88 × 36,436.65
  4. Step 4: Simplify right side
    64,730.31x = 3,254,808,698.80
  5. Step 5: Solve for x
    x = 3,254,808,698.80/64,730.31
  6. Step 6: Final answer
    x = 50,282.61

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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.