Home / 21,831.40-32,770.01-19,348.48

Finding the Fourth Proportional to 21,831.40, 32,770.01 and 19,348.48

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Solution

The fourth proportional to 21,831.40, 32,770.01 and 19,348.48 is: 29,043.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,831.40 : 32,770.01 = 19,348.48 : x
  2. Step 2: Convert to fraction form
    21,831.40/32,770.01 = 19,348.48/x
  3. Step 3: Cross multiply
    21,831.40x = 32,770.01 × 19,348.48
  4. Step 4: Simplify right side
    21,831.40x = 634,049,883.08
  5. Step 5: Solve for x
    x = 634,049,883.08/21,831.40
  6. Step 6: Final answer
    x = 29,043.02

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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.