Home / 47,877.67-71,804.97-21,208.91

Finding the Fourth Proportional to 47,877.67, 71,804.97 and 21,208.91

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Solution

The fourth proportional to 47,877.67, 71,804.97 and 21,208.91 is: 31,808.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,877.67 : 71,804.97 = 21,208.91 : x
  2. Step 2: Convert to fraction form
    47,877.67/71,804.97 = 21,208.91/x
  3. Step 3: Cross multiply
    47,877.67x = 71,804.97 × 21,208.91
  4. Step 4: Simplify right side
    47,877.67x = 1,522,905,363.29
  5. Step 5: Solve for x
    x = 1,522,905,363.29/47,877.67
  6. Step 6: Final answer
    x = 31,808.26

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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.