Home / 50,847.92-76,271.64-12,897.20

Finding the Fourth Proportional to 50,847.92, 76,271.64 and 12,897.20

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Solution

The fourth proportional to 50,847.92, 76,271.64 and 12,897.20 is: 19,345.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,847.92 : 76,271.64 = 12,897.20 : x
  2. Step 2: Convert to fraction form
    50,847.92/76,271.64 = 12,897.20/x
  3. Step 3: Cross multiply
    50,847.92x = 76,271.64 × 12,897.20
  4. Step 4: Simplify right side
    50,847.92x = 983,690,595.41
  5. Step 5: Solve for x
    x = 983,690,595.41/50,847.92
  6. Step 6: Final answer
    x = 19,345.74

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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.