Home / 56,040.35-77,333.36-30,546.15

Finding the Fourth Proportional to 56,040.35, 77,333.36 and 30,546.15

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Solution

The fourth proportional to 56,040.35, 77,333.36 and 30,546.15 is: 42,152.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,040.35 : 77,333.36 = 30,546.15 : x
  2. Step 2: Convert to fraction form
    56,040.35/77,333.36 = 30,546.15/x
  3. Step 3: Cross multiply
    56,040.35x = 77,333.36 × 30,546.15
  4. Step 4: Simplify right side
    56,040.35x = 2,362,236,681.61
  5. Step 5: Solve for x
    x = 2,362,236,681.61/56,040.35
  6. Step 6: Final answer
    x = 42,152.43

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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.