Home / 43,458.81-59,942.21-39,885.29

Finding the Fourth Proportional to 43,458.81, 59,942.21 and 39,885.29

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Solution

The fourth proportional to 43,458.81, 59,942.21 and 39,885.29 is: 55,013.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,458.81 : 59,942.21 = 39,885.29 : x
  2. Step 2: Convert to fraction form
    43,458.81/59,942.21 = 39,885.29/x
  3. Step 3: Cross multiply
    43,458.81x = 59,942.21 × 39,885.29
  4. Step 4: Simplify right side
    43,458.81x = 2,390,811,929.95
  5. Step 5: Solve for x
    x = 2,390,811,929.95/43,458.81
  6. Step 6: Final answer
    x = 55,013.29

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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.