Home / 30,037.28-45,062.38-8,979.03

Finding the Fourth Proportional to 30,037.28, 45,062.38 and 8,979.03

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Solution

The fourth proportional to 30,037.28, 45,062.38 and 8,979.03 is: 13,470.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,037.28 : 45,062.38 = 8,979.03 : x
  2. Step 2: Convert to fraction form
    30,037.28/45,062.38 = 8,979.03/x
  3. Step 3: Cross multiply
    30,037.28x = 45,062.38 × 8,979.03
  4. Step 4: Simplify right side
    30,037.28x = 404,616,461.89
  5. Step 5: Solve for x
    x = 404,616,461.89/30,037.28
  6. Step 6: Final answer
    x = 13,470.48

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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.