Home / 55,283.60-82,925.40-20,226.80

Finding the Fourth Proportional to 55,283.60, 82,925.40 and 20,226.80

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Solution

The fourth proportional to 55,283.60, 82,925.40 and 20,226.80 is: 30,340.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,283.60 : 82,925.40 = 20,226.80 : x
  2. Step 2: Convert to fraction form
    55,283.60/82,925.40 = 20,226.80/x
  3. Step 3: Cross multiply
    55,283.60x = 82,925.40 × 20,226.80
  4. Step 4: Simplify right side
    55,283.60x = 1,677,315,480.72
  5. Step 5: Solve for x
    x = 1,677,315,480.72/55,283.60
  6. Step 6: Final answer
    x = 30,340.20

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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.