Home / 55,325.20-76,348.44-31,451.88

Finding the Fourth Proportional to 55,325.20, 76,348.44 and 31,451.88

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Solution

The fourth proportional to 55,325.20, 76,348.44 and 31,451.88 is: 43,403.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,325.20 : 76,348.44 = 31,451.88 : x
  2. Step 2: Convert to fraction form
    55,325.20/76,348.44 = 31,451.88/x
  3. Step 3: Cross multiply
    55,325.20x = 76,348.44 × 31,451.88
  4. Step 4: Simplify right side
    55,325.20x = 2,401,301,973.07
  5. Step 5: Solve for x
    x = 2,401,301,973.07/55,325.20
  6. Step 6: Final answer
    x = 43,403.40

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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.