Home / 31,757,099.72-43,808,639.16-20,750,284.28

Finding the Fourth Proportional to 31,757,099.72, 43,808,639.16 and 20,750,284.28

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Solution

The fourth proportional to 31,757,099.72, 43,808,639.16 and 20,750,284.28 is: 28,624,834.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,757,099.72 : 43,808,639.16 = 20,750,284.28 : x
  2. Step 2: Convert to fraction form
    31,757,099.72/43,808,639.16 = 20,750,284.28/x
  3. Step 3: Cross multiply
    31,757,099.72x = 43,808,639.16 × 20,750,284.28
  4. Step 4: Simplify right side
    31,757,099.72x = 909,041,716,489,940.38
  5. Step 5: Solve for x
    x = 909,041,716,489,940.38/31,757,099.72
  6. Step 6: Final answer
    x = 28,624,834.27

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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.