Home / 56,339.31-77,748.10-33,677.20

Finding the Fourth Proportional to 56,339.31, 77,748.10 and 33,677.20

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Solution

The fourth proportional to 56,339.31, 77,748.10 and 33,677.20 is: 46,474.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,339.31 : 77,748.10 = 33,677.20 : x
  2. Step 2: Convert to fraction form
    56,339.31/77,748.10 = 33,677.20/x
  3. Step 3: Cross multiply
    56,339.31x = 77,748.10 × 33,677.20
  4. Step 4: Simplify right side
    56,339.31x = 2,618,338,313.32
  5. Step 5: Solve for x
    x = 2,618,338,313.32/56,339.31
  6. Step 6: Final answer
    x = 46,474.45

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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.