Home / 42,420.88-58,584.36-31,793.68

Finding the Fourth Proportional to 42,420.88, 58,584.36 and 31,793.68

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Solution

The fourth proportional to 42,420.88, 58,584.36 and 31,793.68 is: 43,907.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,420.88 : 58,584.36 = 31,793.68 : x
  2. Step 2: Convert to fraction form
    42,420.88/58,584.36 = 31,793.68/x
  3. Step 3: Cross multiply
    42,420.88x = 58,584.36 × 31,793.68
  4. Step 4: Simplify right side
    42,420.88x = 1,862,612,394.84
  5. Step 5: Solve for x
    x = 1,862,612,394.84/42,420.88
  6. Step 6: Final answer
    x = 43,907.92

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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.