Home / 30,836.40-46,254.60-12,117.30

Finding the Fourth Proportional to 30,836.40, 46,254.60 and 12,117.30

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Solution

The fourth proportional to 30,836.40, 46,254.60 and 12,117.30 is: 18,175.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,836.40 : 46,254.60 = 12,117.30 : x
  2. Step 2: Convert to fraction form
    30,836.40/46,254.60 = 12,117.30/x
  3. Step 3: Cross multiply
    30,836.40x = 46,254.60 × 12,117.30
  4. Step 4: Simplify right side
    30,836.40x = 560,480,864.58
  5. Step 5: Solve for x
    x = 560,480,864.58/30,836.40
  6. Step 6: Final answer
    x = 18,175.95

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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.