Home / 29,148.84-43,685.28-21,170.34

Finding the Fourth Proportional to 29,148.84, 43,685.28 and 21,170.34

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Solution

The fourth proportional to 29,148.84, 43,685.28 and 21,170.34 is: 31,727.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,148.84 : 43,685.28 = 21,170.34 : x
  2. Step 2: Convert to fraction form
    29,148.84/43,685.28 = 21,170.34/x
  3. Step 3: Cross multiply
    29,148.84x = 43,685.28 × 21,170.34
  4. Step 4: Simplify right side
    29,148.84x = 924,832,230.60
  5. Step 5: Solve for x
    x = 924,832,230.60/29,148.84
  6. Step 6: Final answer
    x = 31,727.93

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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.