Home / 43,399.98-59,918.12-28,318.79

Finding the Fourth Proportional to 43,399.98, 59,918.12 and 28,318.79

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Solution

The fourth proportional to 43,399.98, 59,918.12 and 28,318.79 is: 39,096.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,399.98 : 59,918.12 = 28,318.79 : x
  2. Step 2: Convert to fraction form
    43,399.98/59,918.12 = 28,318.79/x
  3. Step 3: Cross multiply
    43,399.98x = 59,918.12 × 28,318.79
  4. Step 4: Simplify right side
    43,399.98x = 1,696,808,216.29
  5. Step 5: Solve for x
    x = 1,696,808,216.29/43,399.98
  6. Step 6: Final answer
    x = 39,096.98

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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.