Home / 56,068.88-77,374.06-30,575.44

Finding the Fourth Proportional to 56,068.88, 77,374.06 and 30,575.44

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Solution

The fourth proportional to 56,068.88, 77,374.06 and 30,575.44 is: 42,193.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,068.88 : 77,374.06 = 30,575.44 : x
  2. Step 2: Convert to fraction form
    56,068.88/77,374.06 = 30,575.44/x
  3. Step 3: Cross multiply
    56,068.88x = 77,374.06 × 30,575.44
  4. Step 4: Simplify right side
    56,068.88x = 2,365,745,929.09
  5. Step 5: Solve for x
    x = 2,365,745,929.09/56,068.88
  6. Step 6: Final answer
    x = 42,193.56

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1.5x scale

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.