Home / 45,653.06-68,479.62-14,488.31

Finding the Fourth Proportional to 45,653.06, 68,479.62 and 14,488.31

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Solution

The fourth proportional to 45,653.06, 68,479.62 and 14,488.31 is: 21,732.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,653.06 : 68,479.62 = 14,488.31 : x
  2. Step 2: Convert to fraction form
    45,653.06/68,479.62 = 14,488.31/x
  3. Step 3: Cross multiply
    45,653.06x = 68,479.62 × 14,488.31
  4. Step 4: Simplify right side
    45,653.06x = 992,154,080.11
  5. Step 5: Solve for x
    x = 992,154,080.11/45,653.06
  6. Step 6: Final answer
    x = 21,732.48

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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.