Home / 43,453.90-59,935.40-39,880.38

Finding the Fourth Proportional to 43,453.90, 59,935.40 and 39,880.38

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Solution

The fourth proportional to 43,453.90, 59,935.40 and 39,880.38 is: 55,006.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,453.90 : 59,935.40 = 39,880.38 : x
  2. Step 2: Convert to fraction form
    43,453.90/59,935.40 = 39,880.38/x
  3. Step 3: Cross multiply
    43,453.90x = 59,935.40 × 39,880.38
  4. Step 4: Simplify right side
    43,453.90x = 2,390,246,527.45
  5. Step 5: Solve for x
    x = 2,390,246,527.45/43,453.90
  6. Step 6: Final answer
    x = 55,006.49

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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.