Home / 56,442.04-77,889.48-30,949.84

Finding the Fourth Proportional to 56,442.04, 77,889.48 and 30,949.84

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Solution

The fourth proportional to 56,442.04, 77,889.48 and 30,949.84 is: 42,710.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,442.04 : 77,889.48 = 30,949.84 : x
  2. Step 2: Convert to fraction form
    56,442.04/77,889.48 = 30,949.84/x
  3. Step 3: Cross multiply
    56,442.04x = 77,889.48 × 30,949.84
  4. Step 4: Simplify right side
    56,442.04x = 2,410,666,943.68
  5. Step 5: Solve for x
    x = 2,410,666,943.68/56,442.04
  6. Step 6: Final answer
    x = 42,710.49

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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.