Home / 31,625.66-47,438.55-21,735.02

Finding the Fourth Proportional to 31,625.66, 47,438.55 and 21,735.02

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Solution

The fourth proportional to 31,625.66, 47,438.55 and 21,735.02 is: 32,602.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,625.66 : 47,438.55 = 21,735.02 : x
  2. Step 2: Convert to fraction form
    31,625.66/47,438.55 = 21,735.02/x
  3. Step 3: Cross multiply
    31,625.66x = 47,438.55 × 21,735.02
  4. Step 4: Simplify right side
    31,625.66x = 1,031,077,595.83
  5. Step 5: Solve for x
    x = 1,031,077,595.83/31,625.66
  6. Step 6: Final answer
    x = 32,602.57

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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.