Home / 30,006.28-45,013.02-10,288.36

Finding the Fourth Proportional to 30,006.28, 45,013.02 and 10,288.36

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Solution

The fourth proportional to 30,006.28, 45,013.02 and 10,288.36 is: 15,433.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,006.28 : 45,013.02 = 10,288.36 : x
  2. Step 2: Convert to fraction form
    30,006.28/45,013.02 = 10,288.36/x
  3. Step 3: Cross multiply
    30,006.28x = 45,013.02 × 10,288.36
  4. Step 4: Simplify right side
    30,006.28x = 463,110,154.45
  5. Step 5: Solve for x
    x = 463,110,154.45/30,006.28
  6. Step 6: Final answer
    x = 15,433.77

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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.