Home / 46,143.88-63,683.31-28,250.78

Finding the Fourth Proportional to 46,143.88, 63,683.31 and 28,250.78

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Solution

The fourth proportional to 46,143.88, 63,683.31 and 28,250.78 is: 38,988.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,143.88 : 63,683.31 = 28,250.78 : x
  2. Step 2: Convert to fraction form
    46,143.88/63,683.31 = 28,250.78/x
  3. Step 3: Cross multiply
    46,143.88x = 63,683.31 × 28,250.78
  4. Step 4: Simplify right side
    46,143.88x = 1,799,102,968.01
  5. Step 5: Solve for x
    x = 1,799,102,968.01/46,143.88
  6. Step 6: Final answer
    x = 38,988.99

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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.