Home / 56,428.36-77,838.98-35,219.88

Finding the Fourth Proportional to 56,428.36, 77,838.98 and 35,219.88

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Solution

The fourth proportional to 56,428.36, 77,838.98 and 35,219.88 is: 48,583.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,428.36 : 77,838.98 = 35,219.88 : x
  2. Step 2: Convert to fraction form
    56,428.36/77,838.98 = 35,219.88/x
  3. Step 3: Cross multiply
    56,428.36x = 77,838.98 × 35,219.88
  4. Step 4: Simplify right side
    56,428.36x = 2,741,479,534.92
  5. Step 5: Solve for x
    x = 2,741,479,534.92/56,428.36
  6. Step 6: Final answer
    x = 48,583.36

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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.