Home / 55,676.40-83,508.84-52,427.76

Finding the Fourth Proportional to 55,676.40, 83,508.84 and 52,427.76

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Solution

The fourth proportional to 55,676.40, 83,508.84 and 52,427.76 is: 78,636.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,676.40 : 83,508.84 = 52,427.76 : x
  2. Step 2: Convert to fraction form
    55,676.40/83,508.84 = 52,427.76/x
  3. Step 3: Cross multiply
    55,676.40x = 83,508.84 × 52,427.76
  4. Step 4: Simplify right side
    55,676.40x = 4,378,181,421.40
  5. Step 5: Solve for x
    x = 4,378,181,421.40/55,676.40
  6. Step 6: Final answer
    x = 78,636.22

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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.