Home / 51,290.26-70,780.28-28,627.94

Finding the Fourth Proportional to 51,290.26, 70,780.28 and 28,627.94

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Solution

The fourth proportional to 51,290.26, 70,780.28 and 28,627.94 is: 39,506.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,290.26 : 70,780.28 = 28,627.94 : x
  2. Step 2: Convert to fraction form
    51,290.26/70,780.28 = 28,627.94/x
  3. Step 3: Cross multiply
    51,290.26x = 70,780.28 × 28,627.94
  4. Step 4: Simplify right side
    51,290.26x = 2,026,293,609.02
  5. Step 5: Solve for x
    x = 2,026,293,609.02/51,290.26
  6. Step 6: Final answer
    x = 39,506.40

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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.