Home / 42,241.12-58,282.84-28,840.28

Finding the Fourth Proportional to 42,241.12, 58,282.84 and 28,840.28

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Solution

The fourth proportional to 42,241.12, 58,282.84 and 28,840.28 is: 39,792.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,241.12 : 58,282.84 = 28,840.28 : x
  2. Step 2: Convert to fraction form
    42,241.12/58,282.84 = 28,840.28/x
  3. Step 3: Cross multiply
    42,241.12x = 58,282.84 × 28,840.28
  4. Step 4: Simplify right side
    42,241.12x = 1,680,893,424.80
  5. Step 5: Solve for x
    x = 1,680,893,424.80/42,241.12
  6. Step 6: Final answer
    x = 39,792.82

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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.