Home / 49,913.46-74,888.01-21,438.45

Finding the Fourth Proportional to 49,913.46, 74,888.01 and 21,438.45

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Solution

The fourth proportional to 49,913.46, 74,888.01 and 21,438.45 is: 32,165.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,913.46 : 74,888.01 = 21,438.45 : x
  2. Step 2: Convert to fraction form
    49,913.46/74,888.01 = 21,438.45/x
  3. Step 3: Cross multiply
    49,913.46x = 74,888.01 × 21,438.45
  4. Step 4: Simplify right side
    49,913.46x = 1,605,482,857.98
  5. Step 5: Solve for x
    x = 1,605,482,857.98/49,913.46
  6. Step 6: Final answer
    x = 32,165.33

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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.