Home / 47,701.09-71,550.12-21,038.83

Finding the Fourth Proportional to 47,701.09, 71,550.12 and 21,038.83

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Solution

The fourth proportional to 47,701.09, 71,550.12 and 21,038.83 is: 31,557.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,701.09 : 71,550.12 = 21,038.83 : x
  2. Step 2: Convert to fraction form
    47,701.09/71,550.12 = 21,038.83/x
  3. Step 3: Cross multiply
    47,701.09x = 71,550.12 × 21,038.83
  4. Step 4: Simplify right side
    47,701.09x = 1,505,330,811.16
  5. Step 5: Solve for x
    x = 1,505,330,811.16/47,701.09
  6. Step 6: Final answer
    x = 31,557.58

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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.