Home / 31,346.84-46,958.16-18,870.14

Finding the Fourth Proportional to 31,346.84, 46,958.16 and 18,870.14

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Solution

The fourth proportional to 31,346.84, 46,958.16 and 18,870.14 is: 28,267.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,346.84 : 46,958.16 = 18,870.14 : x
  2. Step 2: Convert to fraction form
    31,346.84/46,958.16 = 18,870.14/x
  3. Step 3: Cross multiply
    31,346.84x = 46,958.16 × 18,870.14
  4. Step 4: Simplify right side
    31,346.84x = 886,107,053.34
  5. Step 5: Solve for x
    x = 886,107,053.34/31,346.84
  6. Step 6: Final answer
    x = 28,267.83

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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.