Home / 52,639.72-72,619.48-31,406.64

Finding the Fourth Proportional to 52,639.72, 72,619.48 and 31,406.64

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Solution

The fourth proportional to 52,639.72, 72,619.48 and 31,406.64 is: 43,327.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,639.72 : 72,619.48 = 31,406.64 : x
  2. Step 2: Convert to fraction form
    52,639.72/72,619.48 = 31,406.64/x
  3. Step 3: Cross multiply
    52,639.72x = 72,619.48 × 31,406.64
  4. Step 4: Simplify right side
    52,639.72x = 2,280,733,865.35
  5. Step 5: Solve for x
    x = 2,280,733,865.35/52,639.72
  6. Step 6: Final answer
    x = 43,327.24

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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.