Home / 56,372.19-77,790.62-30,877.24

Finding the Fourth Proportional to 56,372.19, 77,790.62 and 30,877.24

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Solution

The fourth proportional to 56,372.19, 77,790.62 and 30,877.24 is: 42,608.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,372.19 : 77,790.62 = 30,877.24 : x
  2. Step 2: Convert to fraction form
    56,372.19/77,790.62 = 30,877.24/x
  3. Step 3: Cross multiply
    56,372.19x = 77,790.62 × 30,877.24
  4. Step 4: Simplify right side
    56,372.19x = 2,401,959,643.49
  5. Step 5: Solve for x
    x = 2,401,959,643.49/56,372.19
  6. Step 6: Final answer
    x = 42,608.95

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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.