Home / 55,619.30-76,754.67-30,125.72

Finding the Fourth Proportional to 55,619.30, 76,754.67 and 30,125.72

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Solution

The fourth proportional to 55,619.30, 76,754.67 and 30,125.72 is: 41,573.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,619.30 : 76,754.67 = 30,125.72 : x
  2. Step 2: Convert to fraction form
    55,619.30/76,754.67 = 30,125.72/x
  3. Step 3: Cross multiply
    55,619.30x = 76,754.67 × 30,125.72
  4. Step 4: Simplify right side
    55,619.30x = 2,312,289,697.11
  5. Step 5: Solve for x
    x = 2,312,289,697.11/55,619.30
  6. Step 6: Final answer
    x = 41,573.51

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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.