Home / 31,852.90-47,753.43-13,122.46

Finding the Fourth Proportional to 31,852.90, 47,753.43 and 13,122.46

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Solution

The fourth proportional to 31,852.90, 47,753.43 and 13,122.46 is: 19,673.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,852.90 : 47,753.43 = 13,122.46 : x
  2. Step 2: Convert to fraction form
    31,852.90/47,753.43 = 13,122.46/x
  3. Step 3: Cross multiply
    31,852.90x = 47,753.43 × 13,122.46
  4. Step 4: Simplify right side
    31,852.90x = 626,642,475.04
  5. Step 5: Solve for x
    x = 626,642,475.04/31,852.90
  6. Step 6: Final answer
    x = 19,673.01

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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.