Home / 39,313.80-58,974.30-15,935.40

Finding the Fourth Proportional to 39,313.80, 58,974.30 and 15,935.40

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Solution

The fourth proportional to 39,313.80, 58,974.30 and 15,935.40 is: 23,904.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,313.80 : 58,974.30 = 15,935.40 : x
  2. Step 2: Convert to fraction form
    39,313.80/58,974.30 = 15,935.40/x
  3. Step 3: Cross multiply
    39,313.80x = 58,974.30 × 15,935.40
  4. Step 4: Simplify right side
    39,313.80x = 939,779,060.22
  5. Step 5: Solve for x
    x = 939,779,060.22/39,313.80
  6. Step 6: Final answer
    x = 23,904.56

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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.