Home / 42,157.45-58,157.39-25,151.96

Finding the Fourth Proportional to 42,157.45, 58,157.39 and 25,151.96

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Solution

The fourth proportional to 42,157.45, 58,157.39 and 25,151.96 is: 34,697.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,157.45 : 58,157.39 = 25,151.96 : x
  2. Step 2: Convert to fraction form
    42,157.45/58,157.39 = 25,151.96/x
  3. Step 3: Cross multiply
    42,157.45x = 58,157.39 × 25,151.96
  4. Step 4: Simplify right side
    42,157.45x = 1,462,772,221.22
  5. Step 5: Solve for x
    x = 1,462,772,221.22/42,157.45
  6. Step 6: Final answer
    x = 34,697.84

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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.