Home / 56,862.41-78,454.37-36,720.14

Finding the Fourth Proportional to 56,862.41, 78,454.37 and 36,720.14

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Solution

The fourth proportional to 56,862.41, 78,454.37 and 36,720.14 is: 50,663.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,862.41 : 78,454.37 = 36,720.14 : x
  2. Step 2: Convert to fraction form
    56,862.41/78,454.37 = 36,720.14/x
  3. Step 3: Cross multiply
    56,862.41x = 78,454.37 × 36,720.14
  4. Step 4: Simplify right side
    56,862.41x = 2,880,855,149.54
  5. Step 5: Solve for x
    x = 2,880,855,149.54/56,862.41
  6. Step 6: Final answer
    x = 50,663.62

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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.