Home / 31,502.25-47,253.48-21,611.55

Finding the Fourth Proportional to 31,502.25, 47,253.48 and 21,611.55

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Solution

The fourth proportional to 31,502.25, 47,253.48 and 21,611.55 is: 32,417.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,502.25 : 47,253.48 = 21,611.55 : x
  2. Step 2: Convert to fraction form
    31,502.25/47,253.48 = 21,611.55/x
  3. Step 3: Cross multiply
    31,502.25x = 47,253.48 × 21,611.55
  4. Step 4: Simplify right side
    31,502.25x = 1,021,220,945.69
  5. Step 5: Solve for x
    x = 1,021,220,945.69/31,502.25
  6. Step 6: Final answer
    x = 32,417.40

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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.