Home / 21,571.18-32,340.21-19,373.20

Finding the Fourth Proportional to 21,571.18, 32,340.21 and 19,373.20

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Solution

The fourth proportional to 21,571.18, 32,340.21 and 19,373.20 is: 29,044.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,571.18 : 32,340.21 = 19,373.20 : x
  2. Step 2: Convert to fraction form
    21,571.18/32,340.21 = 19,373.20/x
  3. Step 3: Cross multiply
    21,571.18x = 32,340.21 × 19,373.20
  4. Step 4: Simplify right side
    21,571.18x = 626,533,356.37
  5. Step 5: Solve for x
    x = 626,533,356.37/21,571.18
  6. Step 6: Final answer
    x = 29,044.93

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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.