Home / 30,557.22-45,849.40-19,461.04

Finding the Fourth Proportional to 30,557.22, 45,849.40 and 19,461.04

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Solution

The fourth proportional to 30,557.22, 45,849.40 and 19,461.04 is: 29,200.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,557.22 : 45,849.40 = 19,461.04 : x
  2. Step 2: Convert to fraction form
    30,557.22/45,849.40 = 19,461.04/x
  3. Step 3: Cross multiply
    30,557.22x = 45,849.40 × 19,461.04
  4. Step 4: Simplify right side
    30,557.22x = 892,277,007.38
  5. Step 5: Solve for x
    x = 892,277,007.38/30,557.22
  6. Step 6: Final answer
    x = 29,200.20

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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.