Home / 34,158.40-51,237.60-33,812.80

Finding the Fourth Proportional to 34,158.40, 51,237.60 and 33,812.80

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Solution

The fourth proportional to 34,158.40, 51,237.60 and 33,812.80 is: 50,719.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,158.40 : 51,237.60 = 33,812.80 : x
  2. Step 2: Convert to fraction form
    34,158.40/51,237.60 = 33,812.80/x
  3. Step 3: Cross multiply
    34,158.40x = 51,237.60 × 33,812.80
  4. Step 4: Simplify right side
    34,158.40x = 1,732,486,721.28
  5. Step 5: Solve for x
    x = 1,732,486,721.28/34,158.40
  6. Step 6: Final answer
    x = 50,719.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.