Home / 46,428.53-69,638.45-13,147.83

Finding the Fourth Proportional to 46,428.53, 69,638.45 and 13,147.83

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Solution

The fourth proportional to 46,428.53, 69,638.45 and 13,147.83 is: 19,720.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,428.53 : 69,638.45 = 13,147.83 : x
  2. Step 2: Convert to fraction form
    46,428.53/69,638.45 = 13,147.83/x
  3. Step 3: Cross multiply
    46,428.53x = 69,638.45 × 13,147.83
  4. Step 4: Simplify right side
    46,428.53x = 915,594,436.32
  5. Step 5: Solve for x
    x = 915,594,436.32/46,428.53
  6. Step 6: Final answer
    x = 19,720.52

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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.