Home / 45,815.40-68,723.10-14,653.80

Finding the Fourth Proportional to 45,815.40, 68,723.10 and 14,653.80

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Solution

The fourth proportional to 45,815.40, 68,723.10 and 14,653.80 is: 21,980.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,815.40 : 68,723.10 = 14,653.80 : x
  2. Step 2: Convert to fraction form
    45,815.40/68,723.10 = 14,653.80/x
  3. Step 3: Cross multiply
    45,815.40x = 68,723.10 × 14,653.80
  4. Step 4: Simplify right side
    45,815.40x = 1,007,054,562.78
  5. Step 5: Solve for x
    x = 1,007,054,562.78/45,815.40
  6. Step 6: Final answer
    x = 21,980.70

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1.5x scale

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.