Home / 47,286.20-70,929.30-14,011.40

Finding the Fourth Proportional to 47,286.20, 70,929.30 and 14,011.40

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Solution

The fourth proportional to 47,286.20, 70,929.30 and 14,011.40 is: 21,017.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,286.20 : 70,929.30 = 14,011.40 : x
  2. Step 2: Convert to fraction form
    47,286.20/70,929.30 = 14,011.40/x
  3. Step 3: Cross multiply
    47,286.20x = 70,929.30 × 14,011.40
  4. Step 4: Simplify right side
    47,286.20x = 993,818,794.02
  5. Step 5: Solve for x
    x = 993,818,794.02/47,286.20
  6. Step 6: Final answer
    x = 21,017.10

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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.