Home / 45,676.32-63,062.64-28,703.76

Finding the Fourth Proportional to 45,676.32, 63,062.64 and 28,703.76

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Solution

The fourth proportional to 45,676.32, 63,062.64 and 28,703.76 is: 39,629.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,676.32 : 63,062.64 = 28,703.76 : x
  2. Step 2: Convert to fraction form
    45,676.32/63,062.64 = 28,703.76/x
  3. Step 3: Cross multiply
    45,676.32x = 63,062.64 × 28,703.76
  4. Step 4: Simplify right side
    45,676.32x = 1,810,134,883.53
  5. Step 5: Solve for x
    x = 1,810,134,883.53/45,676.32
  6. Step 6: Final answer
    x = 39,629.61

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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.