Home / 55,764.64-76,955.41-30,271.05

Finding the Fourth Proportional to 55,764.64, 76,955.41 and 30,271.05

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Solution

The fourth proportional to 55,764.64, 76,955.41 and 30,271.05 is: 41,774.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,764.64 : 76,955.41 = 30,271.05 : x
  2. Step 2: Convert to fraction form
    55,764.64/76,955.41 = 30,271.05/x
  3. Step 3: Cross multiply
    55,764.64x = 76,955.41 × 30,271.05
  4. Step 4: Simplify right side
    55,764.64x = 2,329,520,912.53
  5. Step 5: Solve for x
    x = 2,329,520,912.53/55,764.64
  6. Step 6: Final answer
    x = 41,774.16

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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.