Home / 42,438.85-58,539.65-25,199.53

Finding the Fourth Proportional to 42,438.85, 58,539.65 and 25,199.53

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Solution

The fourth proportional to 42,438.85, 58,539.65 and 25,199.53 is: 34,759.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,438.85 : 58,539.65 = 25,199.53 : x
  2. Step 2: Convert to fraction form
    42,438.85/58,539.65 = 25,199.53/x
  3. Step 3: Cross multiply
    42,438.85x = 58,539.65 × 25,199.53
  4. Step 4: Simplify right side
    42,438.85x = 1,475,171,373.67
  5. Step 5: Solve for x
    x = 1,475,171,373.67/42,438.85
  6. Step 6: Final answer
    x = 34,759.93

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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.