Home / 34,152.60-51,228.90-20,155.80

Finding the Fourth Proportional to 34,152.60, 51,228.90 and 20,155.80

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Solution

The fourth proportional to 34,152.60, 51,228.90 and 20,155.80 is: 30,233.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,152.60 : 51,228.90 = 20,155.80 : x
  2. Step 2: Convert to fraction form
    34,152.60/51,228.90 = 20,155.80/x
  3. Step 3: Cross multiply
    34,152.60x = 51,228.90 × 20,155.80
  4. Step 4: Simplify right side
    34,152.60x = 1,032,559,462.62
  5. Step 5: Solve for x
    x = 1,032,559,462.62/34,152.60
  6. Step 6: Final answer
    x = 30,233.70

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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.