Home / 47,322.28-70,999.62-21,045.34

Finding the Fourth Proportional to 47,322.28, 70,999.62 and 21,045.34

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Solution

The fourth proportional to 47,322.28, 70,999.62 and 21,045.34 is: 31,575.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,322.28 : 70,999.62 = 21,045.34 : x
  2. Step 2: Convert to fraction form
    47,322.28/70,999.62 = 21,045.34/x
  3. Step 3: Cross multiply
    47,322.28x = 70,999.62 × 21,045.34
  4. Step 4: Simplify right side
    47,322.28x = 1,494,211,142.77
  5. Step 5: Solve for x
    x = 1,494,211,142.77/47,322.28
  6. Step 6: Final answer
    x = 31,575.21

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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.