Home / 30,248.72-45,373.12-8,060.96

Finding the Fourth Proportional to 30,248.72, 45,373.12 and 8,060.96

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Solution

The fourth proportional to 30,248.72, 45,373.12 and 8,060.96 is: 12,091.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,248.72 : 45,373.12 = 8,060.96 : x
  2. Step 2: Convert to fraction form
    30,248.72/45,373.12 = 8,060.96/x
  3. Step 3: Cross multiply
    30,248.72x = 45,373.12 × 8,060.96
  4. Step 4: Simplify right side
    30,248.72x = 365,750,905.40
  5. Step 5: Solve for x
    x = 365,750,905.40/30,248.72
  6. Step 6: Final answer
    x = 12,091.45

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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.