Home / 49,274.81-74,001.30-45,522.55

Finding the Fourth Proportional to 49,274.81, 74,001.30 and 45,522.55

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Solution

The fourth proportional to 49,274.81, 74,001.30 and 45,522.55 is: 68,366.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,274.81 : 74,001.30 = 45,522.55 : x
  2. Step 2: Convert to fraction form
    49,274.81/74,001.30 = 45,522.55/x
  3. Step 3: Cross multiply
    49,274.81x = 74,001.30 × 45,522.55
  4. Step 4: Simplify right side
    49,274.81x = 3,368,727,879.32
  5. Step 5: Solve for x
    x = 3,368,727,879.32/49,274.81
  6. Step 6: Final answer
    x = 68,366.13

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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.