Home / 45,760.16-63,126.72-28,785.44

Finding the Fourth Proportional to 45,760.16, 63,126.72 and 28,785.44

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Solution

The fourth proportional to 45,760.16, 63,126.72 and 28,785.44 is: 39,709.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,760.16 : 63,126.72 = 28,785.44 : x
  2. Step 2: Convert to fraction form
    45,760.16/63,126.72 = 28,785.44/x
  3. Step 3: Cross multiply
    45,760.16x = 63,126.72 × 28,785.44
  4. Step 4: Simplify right side
    45,760.16x = 1,817,130,410.96
  5. Step 5: Solve for x
    x = 1,817,130,410.96/45,760.16
  6. Step 6: Final answer
    x = 39,709.88

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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.