Home / 31,334.04-43,240.86-19,395

Finding the Fourth Proportional to 31,334.04, 43,240.86 and 19,395

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Solution

The fourth proportional to 31,334.04, 43,240.86 and 19,395 is: 26,765.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,334.04 : 43,240.86 = 19,395 : x
  2. Step 2: Convert to fraction form
    31,334.04/43,240.86 = 19,395/x
  3. Step 3: Cross multiply
    31,334.04x = 43,240.86 × 19,395
  4. Step 4: Simplify right side
    31,334.04x = 838,656,479.70
  5. Step 5: Solve for x
    x = 838,656,479.70/31,334.04
  6. Step 6: Final answer
    x = 26,765.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.