Home / 45,404.10-68,106.15-14,239.30

Finding the Fourth Proportional to 45,404.10, 68,106.15 and 14,239.30

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Solution

The fourth proportional to 45,404.10, 68,106.15 and 14,239.30 is: 21,358.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,404.10 : 68,106.15 = 14,239.30 : x
  2. Step 2: Convert to fraction form
    45,404.10/68,106.15 = 14,239.30/x
  3. Step 3: Cross multiply
    45,404.10x = 68,106.15 × 14,239.30
  4. Step 4: Simplify right side
    45,404.10x = 969,783,901.70
  5. Step 5: Solve for x
    x = 969,783,901.70/45,404.10
  6. Step 6: Final answer
    x = 21,358.95

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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.