Home / 30,243.01-45,368.16-12,710.56

Finding the Fourth Proportional to 30,243.01, 45,368.16 and 12,710.56

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Solution

The fourth proportional to 30,243.01, 45,368.16 and 12,710.56 is: 19,067.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,243.01 : 45,368.16 = 12,710.56 : x
  2. Step 2: Convert to fraction form
    30,243.01/45,368.16 = 12,710.56/x
  3. Step 3: Cross multiply
    30,243.01x = 45,368.16 × 12,710.56
  4. Step 4: Simplify right side
    30,243.01x = 576,654,429.38
  5. Step 5: Solve for x
    x = 576,654,429.38/30,243.01
  6. Step 6: Final answer
    x = 19,067.37

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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.