Home / 30,071.30-45,091.76-10,073.88

Finding the Fourth Proportional to 30,071.30, 45,091.76 and 10,073.88

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Solution

The fourth proportional to 30,071.30, 45,091.76 and 10,073.88 is: 15,105.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,071.30 : 45,091.76 = 10,073.88 : x
  2. Step 2: Convert to fraction form
    30,071.30/45,091.76 = 10,073.88/x
  3. Step 3: Cross multiply
    30,071.30x = 45,091.76 × 10,073.88
  4. Step 4: Simplify right side
    30,071.30x = 454,248,928.86
  5. Step 5: Solve for x
    x = 454,248,928.86/30,071.30
  6. Step 6: Final answer
    x = 15,105.73

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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.