Home / 30,451.70-45,647.31-14,653.46

Finding the Fourth Proportional to 30,451.70, 45,647.31 and 14,653.46

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Solution

The fourth proportional to 30,451.70, 45,647.31 and 14,653.46 is: 21,965.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,451.70 : 45,647.31 = 14,653.46 : x
  2. Step 2: Convert to fraction form
    30,451.70/45,647.31 = 14,653.46/x
  3. Step 3: Cross multiply
    30,451.70x = 45,647.31 × 14,653.46
  4. Step 4: Simplify right side
    30,451.70x = 668,891,031.19
  5. Step 5: Solve for x
    x = 668,891,031.19/30,451.70
  6. Step 6: Final answer
    x = 21,965.64

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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.