Home / 30,479.28-45,733.29-10,767.12

Finding the Fourth Proportional to 30,479.28, 45,733.29 and 10,767.12

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Solution

The fourth proportional to 30,479.28, 45,733.29 and 10,767.12 is: 16,155.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,479.28 : 45,733.29 = 10,767.12 : x
  2. Step 2: Convert to fraction form
    30,479.28/45,733.29 = 10,767.12/x
  3. Step 3: Cross multiply
    30,479.28x = 45,733.29 × 10,767.12
  4. Step 4: Simplify right side
    30,479.28x = 492,415,821.42
  5. Step 5: Solve for x
    x = 492,415,821.42/30,479.28
  6. Step 6: Final answer
    x = 16,155.76

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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.