Home / 55,117.60-82,676.40-36,455.20

Finding the Fourth Proportional to 55,117.60, 82,676.40 and 36,455.20

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Solution

The fourth proportional to 55,117.60, 82,676.40 and 36,455.20 is: 54,682.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,117.60 : 82,676.40 = 36,455.20 : x
  2. Step 2: Convert to fraction form
    55,117.60/82,676.40 = 36,455.20/x
  3. Step 3: Cross multiply
    55,117.60x = 82,676.40 × 36,455.20
  4. Step 4: Simplify right side
    55,117.60x = 3,013,984,697.28
  5. Step 5: Solve for x
    x = 3,013,984,697.28/55,117.60
  6. Step 6: Final answer
    x = 54,682.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.