Home / 51,409.20-76,998.60-26,756.40

Finding the Fourth Proportional to 51,409.20, 76,998.60 and 26,756.40

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Solution

The fourth proportional to 51,409.20, 76,998.60 and 26,756.40 is: 40,074.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,409.20 : 76,998.60 = 26,756.40 : x
  2. Step 2: Convert to fraction form
    51,409.20/76,998.60 = 26,756.40/x
  3. Step 3: Cross multiply
    51,409.20x = 76,998.60 × 26,756.40
  4. Step 4: Simplify right side
    51,409.20x = 2,060,205,341.04
  5. Step 5: Solve for x
    x = 2,060,205,341.04/51,409.20
  6. Step 6: Final answer
    x = 40,074.64

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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.