Home / 47,480.41-71,228.54-21,184.17

Finding the Fourth Proportional to 47,480.41, 71,228.54 and 21,184.17

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Solution

The fourth proportional to 47,480.41, 71,228.54 and 21,184.17 is: 31,779.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,480.41 : 71,228.54 = 21,184.17 : x
  2. Step 2: Convert to fraction form
    47,480.41/71,228.54 = 21,184.17/x
  3. Step 3: Cross multiply
    47,480.41x = 71,228.54 × 21,184.17
  4. Step 4: Simplify right side
    47,480.41x = 1,508,917,038.15
  5. Step 5: Solve for x
    x = 1,508,917,038.15/47,480.41
  6. Step 6: Final answer
    x = 31,779.78

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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.