Home / 29,421.41-40,602.34-15,993.57

Finding the Fourth Proportional to 29,421.41, 40,602.34 and 15,993.57

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Solution

The fourth proportional to 29,421.41, 40,602.34 and 15,993.57 is: 22,071.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,421.41 : 40,602.34 = 15,993.57 : x
  2. Step 2: Convert to fraction form
    29,421.41/40,602.34 = 15,993.57/x
  3. Step 3: Cross multiply
    29,421.41x = 40,602.34 × 15,993.57
  4. Step 4: Simplify right side
    29,421.41x = 649,376,366.95
  5. Step 5: Solve for x
    x = 649,376,366.95/29,421.41
  6. Step 6: Final answer
    x = 22,071.56

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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.