Home / 49,479.12-74,214.36-14,416.38

Finding the Fourth Proportional to 49,479.12, 74,214.36 and 14,416.38

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Solution

The fourth proportional to 49,479.12, 74,214.36 and 14,416.38 is: 21,623.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,479.12 : 74,214.36 = 14,416.38 : x
  2. Step 2: Convert to fraction form
    49,479.12/74,214.36 = 14,416.38/x
  3. Step 3: Cross multiply
    49,479.12x = 74,214.36 × 14,416.38
  4. Step 4: Simplify right side
    49,479.12x = 1,069,902,415.22
  5. Step 5: Solve for x
    x = 1,069,902,415.22/49,479.12
  6. Step 6: Final answer
    x = 21,623.31

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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.