Home / 39,942.36-59,913.18-15,318.36

Finding the Fourth Proportional to 39,942.36, 59,913.18 and 15,318.36

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Solution

The fourth proportional to 39,942.36, 59,913.18 and 15,318.36 is: 22,977.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,942.36 : 59,913.18 = 15,318.36 : x
  2. Step 2: Convert to fraction form
    39,942.36/59,913.18 = 15,318.36/x
  3. Step 3: Cross multiply
    39,942.36x = 59,913.18 × 15,318.36
  4. Step 4: Simplify right side
    39,942.36x = 917,771,659.98
  5. Step 5: Solve for x
    x = 917,771,659.98/39,942.36
  6. Step 6: Final answer
    x = 22,977.40

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1.5x scale

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.