Home / 30,008.38-45,018.04-10,288.93

Finding the Fourth Proportional to 30,008.38, 45,018.04 and 10,288.93

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Solution

The fourth proportional to 30,008.38, 45,018.04 and 10,288.93 is: 15,435.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,008.38 : 45,018.04 = 10,288.93 : x
  2. Step 2: Convert to fraction form
    30,008.38/45,018.04 = 10,288.93/x
  3. Step 3: Cross multiply
    30,008.38x = 45,018.04 × 10,288.93
  4. Step 4: Simplify right side
    30,008.38x = 463,187,462.30
  5. Step 5: Solve for x
    x = 463,187,462.30/30,008.38
  6. Step 6: Final answer
    x = 15,435.27

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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.