Home / 47,380.30-71,070.12-19,293.76

Finding the Fourth Proportional to 47,380.30, 71,070.12 and 19,293.76

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Solution

The fourth proportional to 47,380.30, 71,070.12 and 19,293.76 is: 28,940.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,380.30 : 71,070.12 = 19,293.76 : x
  2. Step 2: Convert to fraction form
    47,380.30/71,070.12 = 19,293.76/x
  3. Step 3: Cross multiply
    47,380.30x = 71,070.12 × 19,293.76
  4. Step 4: Simplify right side
    47,380.30x = 1,371,209,838.45
  5. Step 5: Solve for x
    x = 1,371,209,838.45/47,380.30
  6. Step 6: Final answer
    x = 28,940.51

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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.