Home / 55,234.24-76,225.26-31,360.30

Finding the Fourth Proportional to 55,234.24, 76,225.26 and 31,360.30

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Solution

The fourth proportional to 55,234.24, 76,225.26 and 31,360.30 is: 43,278.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,234.24 : 76,225.26 = 31,360.30 : x
  2. Step 2: Convert to fraction form
    55,234.24/76,225.26 = 31,360.30/x
  3. Step 3: Cross multiply
    55,234.24x = 76,225.26 × 31,360.30
  4. Step 4: Simplify right side
    55,234.24x = 2,390,447,021.18
  5. Step 5: Solve for x
    x = 2,390,447,021.18/55,234.24
  6. Step 6: Final answer
    x = 43,278.35

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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.