Home / 46,438.38-69,706.71-28,920.51

Finding the Fourth Proportional to 46,438.38, 69,706.71 and 28,920.51

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Solution

The fourth proportional to 46,438.38, 69,706.71 and 28,920.51 is: 43,411.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,438.38 : 69,706.71 = 28,920.51 : x
  2. Step 2: Convert to fraction form
    46,438.38/69,706.71 = 28,920.51/x
  3. Step 3: Cross multiply
    46,438.38x = 69,706.71 × 28,920.51
  4. Step 4: Simplify right side
    46,438.38x = 2,015,953,603.62
  5. Step 5: Solve for x
    x = 2,015,953,603.62/46,438.38
  6. Step 6: Final answer
    x = 43,411.37

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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.