Home / 51,175.62-70,627.59-28,518.30

Finding the Fourth Proportional to 51,175.62, 70,627.59 and 28,518.30

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Solution

The fourth proportional to 51,175.62, 70,627.59 and 28,518.30 is: 39,358.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,175.62 : 70,627.59 = 28,518.30 : x
  2. Step 2: Convert to fraction form
    51,175.62/70,627.59 = 28,518.30/x
  3. Step 3: Cross multiply
    51,175.62x = 70,627.59 × 28,518.30
  4. Step 4: Simplify right side
    51,175.62x = 2,014,178,799.90
  5. Step 5: Solve for x
    x = 2,014,178,799.90/51,175.62
  6. Step 6: Final answer
    x = 39,358.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.