Home / 30,182.30-45,258.24-10,455.56

Finding the Fourth Proportional to 30,182.30, 45,258.24 and 10,455.56

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Solution

The fourth proportional to 30,182.30, 45,258.24 and 10,455.56 is: 15,678.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,182.30 : 45,258.24 = 10,455.56 : x
  2. Step 2: Convert to fraction form
    30,182.30/45,258.24 = 10,455.56/x
  3. Step 3: Cross multiply
    30,182.30x = 45,258.24 × 10,455.56
  4. Step 4: Simplify right side
    30,182.30x = 473,200,243.81
  5. Step 5: Solve for x
    x = 473,200,243.81/30,182.30
  6. Step 6: Final answer
    x = 15,678.07

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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.