Home / 51,253.54-70,729.77-28,897.38

Finding the Fourth Proportional to 51,253.54, 70,729.77 and 28,897.38

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Solution

The fourth proportional to 51,253.54, 70,729.77 and 28,897.38 is: 39,878.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,253.54 : 70,729.77 = 28,897.38 : x
  2. Step 2: Convert to fraction form
    51,253.54/70,729.77 = 28,897.38/x
  3. Step 3: Cross multiply
    51,253.54x = 70,729.77 × 28,897.38
  4. Step 4: Simplify right side
    51,253.54x = 2,043,905,041.00
  5. Step 5: Solve for x
    x = 2,043,905,041.00/51,253.54
  6. Step 6: Final answer
    x = 39,878.32

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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.