Home / 51,428.42-70,970.28-29,072.42

Finding the Fourth Proportional to 51,428.42, 70,970.28 and 29,072.42

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Solution

The fourth proportional to 51,428.42, 70,970.28 and 29,072.42 is: 40,119.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,428.42 : 70,970.28 = 29,072.42 : x
  2. Step 2: Convert to fraction form
    51,428.42/70,970.28 = 29,072.42/x
  3. Step 3: Cross multiply
    51,428.42x = 70,970.28 × 29,072.42
  4. Step 4: Simplify right side
    51,428.42x = 2,063,277,787.68
  5. Step 5: Solve for x
    x = 2,063,277,787.68/51,428.42
  6. Step 6: Final answer
    x = 40,119.41

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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.