Home / 51,410.21-70,945.60-28,748.94

Finding the Fourth Proportional to 51,410.21, 70,945.60 and 28,748.94

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Solution

The fourth proportional to 51,410.21, 70,945.60 and 28,748.94 is: 39,673.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,410.21 : 70,945.60 = 28,748.94 : x
  2. Step 2: Convert to fraction form
    51,410.21/70,945.60 = 28,748.94/x
  3. Step 3: Cross multiply
    51,410.21x = 70,945.60 × 28,748.94
  4. Step 4: Simplify right side
    51,410.21x = 2,039,610,753.61
  5. Step 5: Solve for x
    x = 2,039,610,753.61/51,410.21
  6. Step 6: Final answer
    x = 39,673.26

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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.