Home / 39,629.30-59,406.73-13,315.64

Finding the Fourth Proportional to 39,629.30, 59,406.73 and 13,315.64

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Solution

The fourth proportional to 39,629.30, 59,406.73 and 13,315.64 is: 19,960.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,629.30 : 59,406.73 = 13,315.64 : x
  2. Step 2: Convert to fraction form
    39,629.30/59,406.73 = 13,315.64/x
  3. Step 3: Cross multiply
    39,629.30x = 59,406.73 × 13,315.64
  4. Step 4: Simplify right side
    39,629.30x = 791,038,333.22
  5. Step 5: Solve for x
    x = 791,038,333.22/39,629.30
  6. Step 6: Final answer
    x = 19,960.95

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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.