Home / 51,253.26-70,729.50-28,897.26

Finding the Fourth Proportional to 51,253.26, 70,729.50 and 28,897.26

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Solution

The fourth proportional to 51,253.26, 70,729.50 and 28,897.26 is: 39,878.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,253.26 : 70,729.50 = 28,897.26 : x
  2. Step 2: Convert to fraction form
    51,253.26/70,729.50 = 28,897.26/x
  3. Step 3: Cross multiply
    51,253.26x = 70,729.50 × 28,897.26
  4. Step 4: Simplify right side
    51,253.26x = 2,043,888,751.17
  5. Step 5: Solve for x
    x = 2,043,888,751.17/51,253.26
  6. Step 6: Final answer
    x = 39,878.22

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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.