Home / 47,260.45-70,890.67-13,977.92

Finding the Fourth Proportional to 47,260.45, 70,890.67 and 13,977.92

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Solution

The fourth proportional to 47,260.45, 70,890.67 and 13,977.92 is: 20,966.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,260.45 : 70,890.67 = 13,977.92 : x
  2. Step 2: Convert to fraction form
    47,260.45/70,890.67 = 13,977.92/x
  3. Step 3: Cross multiply
    47,260.45x = 70,890.67 × 13,977.92
  4. Step 4: Simplify right side
    47,260.45x = 990,903,724.61
  5. Step 5: Solve for x
    x = 990,903,724.61/47,260.45
  6. Step 6: Final answer
    x = 20,966.87

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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.