Home / 42,021.60-57,964.08-25,014.48

Finding the Fourth Proportional to 42,021.60, 57,964.08 and 25,014.48

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Solution

The fourth proportional to 42,021.60, 57,964.08 and 25,014.48 is: 34,504.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,021.60 : 57,964.08 = 25,014.48 : x
  2. Step 2: Convert to fraction form
    42,021.60/57,964.08 = 25,014.48/x
  3. Step 3: Cross multiply
    42,021.60x = 57,964.08 × 25,014.48
  4. Step 4: Simplify right side
    42,021.60x = 1,449,941,319.88
  5. Step 5: Solve for x
    x = 1,449,941,319.88/42,021.60
  6. Step 6: Final answer
    x = 34,504.67

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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.