Home / 42,759.85-59,010.25-28,394.90

Finding the Fourth Proportional to 42,759.85, 59,010.25 and 28,394.90

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Solution

The fourth proportional to 42,759.85, 59,010.25 and 28,394.90 is: 39,186.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,759.85 : 59,010.25 = 28,394.90 : x
  2. Step 2: Convert to fraction form
    42,759.85/59,010.25 = 28,394.90/x
  3. Step 3: Cross multiply
    42,759.85x = 59,010.25 × 28,394.90
  4. Step 4: Simplify right side
    42,759.85x = 1,675,590,224.26
  5. Step 5: Solve for x
    x = 1,675,590,224.26/42,759.85
  6. Step 6: Final answer
    x = 39,186.07

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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.