Home / 56,374.30-77,639.07-55,149.58

Finding the Fourth Proportional to 56,374.30, 77,639.07 and 55,149.58

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Solution

The fourth proportional to 56,374.30, 77,639.07 and 55,149.58 is: 75,952.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,374.30 : 77,639.07 = 55,149.58 : x
  2. Step 2: Convert to fraction form
    56,374.30/77,639.07 = 55,149.58/x
  3. Step 3: Cross multiply
    56,374.30x = 77,639.07 × 55,149.58
  4. Step 4: Simplify right side
    56,374.30x = 4,281,762,102.09
  5. Step 5: Solve for x
    x = 4,281,762,102.09/56,374.30
  6. Step 6: Final answer
    x = 75,952.38

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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.