Home / 39,459.30-59,198.40-13,164.27

Finding the Fourth Proportional to 39,459.30, 59,198.40 and 13,164.27

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Solution

The fourth proportional to 39,459.30, 59,198.40 and 13,164.27 is: 19,749.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,459.30 : 59,198.40 = 13,164.27 : x
  2. Step 2: Convert to fraction form
    39,459.30/59,198.40 = 13,164.27/x
  3. Step 3: Cross multiply
    39,459.30x = 59,198.40 × 13,164.27
  4. Step 4: Simplify right side
    39,459.30x = 779,303,721.17
  5. Step 5: Solve for x
    x = 779,303,721.17/39,459.30
  6. Step 6: Final answer
    x = 19,749.56

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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.