Home / 30,140.40-41,592.56-16,711.88

Finding the Fourth Proportional to 30,140.40, 41,592.56 and 16,711.88

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Solution

The fourth proportional to 30,140.40, 41,592.56 and 16,711.88 is: 23,061.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,140.40 : 41,592.56 = 16,711.88 : x
  2. Step 2: Convert to fraction form
    30,140.40/41,592.56 = 16,711.88/x
  3. Step 3: Cross multiply
    30,140.40x = 41,592.56 × 16,711.88
  4. Step 4: Simplify right side
    30,140.40x = 695,089,871.61
  5. Step 5: Solve for x
    x = 695,089,871.61/30,140.40
  6. Step 6: Final answer
    x = 23,061.73

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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.