Home / 55,005.40-82,508.10-13,452.40

Finding the Fourth Proportional to 55,005.40, 82,508.10 and 13,452.40

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Solution

The fourth proportional to 55,005.40, 82,508.10 and 13,452.40 is: 20,178.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,005.40 : 82,508.10 = 13,452.40 : x
  2. Step 2: Convert to fraction form
    55,005.40/82,508.10 = 13,452.40/x
  3. Step 3: Cross multiply
    55,005.40x = 82,508.10 × 13,452.40
  4. Step 4: Simplify right side
    55,005.40x = 1,109,931,964.44
  5. Step 5: Solve for x
    x = 1,109,931,964.44/55,005.40
  6. Step 6: Final answer
    x = 20,178.60

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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.