Home / 52,175.33-78,304.51-18,904.91

Finding the Fourth Proportional to 52,175.33, 78,304.51 and 18,904.91

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Solution

The fourth proportional to 52,175.33, 78,304.51 and 18,904.91 is: 28,372.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,175.33 : 78,304.51 = 18,904.91 : x
  2. Step 2: Convert to fraction form
    52,175.33/78,304.51 = 18,904.91/x
  3. Step 3: Cross multiply
    52,175.33x = 78,304.51 × 18,904.91
  4. Step 4: Simplify right side
    52,175.33x = 1,480,339,429.78
  5. Step 5: Solve for x
    x = 1,480,339,429.78/52,175.33
  6. Step 6: Final answer
    x = 28,372.40

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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.