Home / 55,647.45-76,798.98-31,777.74

Finding the Fourth Proportional to 55,647.45, 76,798.98 and 31,777.74

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Solution

The fourth proportional to 55,647.45, 76,798.98 and 31,777.74 is: 43,856.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,647.45 : 76,798.98 = 31,777.74 : x
  2. Step 2: Convert to fraction form
    55,647.45/76,798.98 = 31,777.74/x
  3. Step 3: Cross multiply
    55,647.45x = 76,798.98 × 31,777.74
  4. Step 4: Simplify right side
    55,647.45x = 2,440,498,018.71
  5. Step 5: Solve for x
    x = 2,440,498,018.71/55,647.45
  6. Step 6: Final answer
    x = 43,856.42

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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.