Home / 31,985.37-47,994.26-21,575.25

Finding the Fourth Proportional to 31,985.37, 47,994.26 and 21,575.25

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Solution

The fourth proportional to 31,985.37, 47,994.26 and 21,575.25 is: 32,373.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,985.37 : 47,994.26 = 21,575.25 : x
  2. Step 2: Convert to fraction form
    31,985.37/47,994.26 = 21,575.25/x
  3. Step 3: Cross multiply
    31,985.37x = 47,994.26 × 21,575.25
  4. Step 4: Simplify right side
    31,985.37x = 1,035,488,050.19
  5. Step 5: Solve for x
    x = 1,035,488,050.19/31,985.37
  6. Step 6: Final answer
    x = 32,373.80

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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.