Home / 43,341.60-64,868.40-31,461.60

Finding the Fourth Proportional to 43,341.60, 64,868.40 and 31,461.60

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Solution

The fourth proportional to 43,341.60, 64,868.40 and 31,461.60 is: 47,087.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,341.60 : 64,868.40 = 31,461.60 : x
  2. Step 2: Convert to fraction form
    43,341.60/64,868.40 = 31,461.60/x
  3. Step 3: Cross multiply
    43,341.60x = 64,868.40 × 31,461.60
  4. Step 4: Simplify right side
    43,341.60x = 2,040,863,653.44
  5. Step 5: Solve for x
    x = 2,040,863,653.44/43,341.60
  6. Step 6: Final answer
    x = 47,087.87

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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.