Home / 30,479.64-45,726.36-10,758.34

Finding the Fourth Proportional to 30,479.64, 45,726.36 and 10,758.34

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Solution

The fourth proportional to 30,479.64, 45,726.36 and 10,758.34 is: 16,139.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,479.64 : 45,726.36 = 10,758.34 : x
  2. Step 2: Convert to fraction form
    30,479.64/45,726.36 = 10,758.34/x
  3. Step 3: Cross multiply
    30,479.64x = 45,726.36 × 10,758.34
  4. Step 4: Simplify right side
    30,479.64x = 491,939,727.84
  5. Step 5: Solve for x
    x = 491,939,727.84/30,479.64
  6. Step 6: Final answer
    x = 16,139.95

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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.