Home / 30,631.67-45,882.92-14,005.68

Finding the Fourth Proportional to 30,631.67, 45,882.92 and 14,005.68

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Solution

The fourth proportional to 30,631.67, 45,882.92 and 14,005.68 is: 20,979.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,631.67 : 45,882.92 = 14,005.68 : x
  2. Step 2: Convert to fraction form
    30,631.67/45,882.92 = 14,005.68/x
  3. Step 3: Cross multiply
    30,631.67x = 45,882.92 × 14,005.68
  4. Step 4: Simplify right side
    30,631.67x = 642,621,685.99
  5. Step 5: Solve for x
    x = 642,621,685.99/30,631.67
  6. Step 6: Final answer
    x = 20,979.00

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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.