Home / 42,954.64-59,251.20-28,418.80

Finding the Fourth Proportional to 42,954.64, 59,251.20 and 28,418.80

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Solution

The fourth proportional to 42,954.64, 59,251.20 and 28,418.80 is: 39,200.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,954.64 : 59,251.20 = 28,418.80 : x
  2. Step 2: Convert to fraction form
    42,954.64/59,251.20 = 28,418.80/x
  3. Step 3: Cross multiply
    42,954.64x = 59,251.20 × 28,418.80
  4. Step 4: Simplify right side
    42,954.64x = 1,683,848,002.56
  5. Step 5: Solve for x
    x = 1,683,848,002.56/42,954.64
  6. Step 6: Final answer
    x = 39,200.61

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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.