Home / 55,188.59-76,157.87-31,314.74

Finding the Fourth Proportional to 55,188.59, 76,157.87 and 31,314.74

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Solution

The fourth proportional to 55,188.59, 76,157.87 and 31,314.74 is: 43,212.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,188.59 : 76,157.87 = 31,314.74 : x
  2. Step 2: Convert to fraction form
    55,188.59/76,157.87 = 31,314.74/x
  3. Step 3: Cross multiply
    55,188.59x = 76,157.87 × 31,314.74
  4. Step 4: Simplify right side
    55,188.59x = 2,384,863,360.64
  5. Step 5: Solve for x
    x = 2,384,863,360.64/55,188.59
  6. Step 6: Final answer
    x = 43,212.98

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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.