Home / 63,528.32-87,629.04-40,896.88

Finding the Fourth Proportional to 63,528.32, 87,629.04 and 40,896.88

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Solution

The fourth proportional to 63,528.32, 87,629.04 and 40,896.88 is: 56,411.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,528.32 : 87,629.04 = 40,896.88 : x
  2. Step 2: Convert to fraction form
    63,528.32/87,629.04 = 40,896.88/x
  3. Step 3: Cross multiply
    63,528.32x = 87,629.04 × 40,896.88
  4. Step 4: Simplify right side
    63,528.32x = 3,583,754,333.40
  5. Step 5: Solve for x
    x = 3,583,754,333.40/63,528.32
  6. Step 6: Final answer
    x = 56,411.92

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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.