Home / 30,918.02-46,373.24-13,155.82

Finding the Fourth Proportional to 30,918.02, 46,373.24 and 13,155.82

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Solution

The fourth proportional to 30,918.02, 46,373.24 and 13,155.82 is: 19,732.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,918.02 : 46,373.24 = 13,155.82 : x
  2. Step 2: Convert to fraction form
    30,918.02/46,373.24 = 13,155.82/x
  3. Step 3: Cross multiply
    30,918.02x = 46,373.24 × 13,155.82
  4. Step 4: Simplify right side
    30,918.02x = 610,077,915.21
  5. Step 5: Solve for x
    x = 610,077,915.21/30,918.02
  6. Step 6: Final answer
    x = 19,732.12

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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.