Home / 49,830.40-68,620.80-40,326.40

Finding the Fourth Proportional to 49,830.40, 68,620.80 and 40,326.40

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Solution

The fourth proportional to 49,830.40, 68,620.80 and 40,326.40 is: 55,532.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,830.40 : 68,620.80 = 40,326.40 : x
  2. Step 2: Convert to fraction form
    49,830.40/68,620.80 = 40,326.40/x
  3. Step 3: Cross multiply
    49,830.40x = 68,620.80 × 40,326.40
  4. Step 4: Simplify right side
    49,830.40x = 2,767,229,829.12
  5. Step 5: Solve for x
    x = 2,767,229,829.12/49,830.40
  6. Step 6: Final answer
    x = 55,532.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.