Home / 53,311.48-79,976.96-26,671.40

Finding the Fourth Proportional to 53,311.48, 79,976.96 and 26,671.40

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Solution

The fourth proportional to 53,311.48, 79,976.96 and 26,671.40 is: 40,011.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,311.48 : 79,976.96 = 26,671.40 : x
  2. Step 2: Convert to fraction form
    53,311.48/79,976.96 = 26,671.40/x
  3. Step 3: Cross multiply
    53,311.48x = 79,976.96 × 26,671.40
  4. Step 4: Simplify right side
    53,311.48x = 2,133,097,490.94
  5. Step 5: Solve for x
    x = 2,133,097,490.94/53,311.48
  6. Step 6: Final answer
    x = 40,011.97

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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.