Home / 51,373.79-70,892.99-28,708.27

Finding the Fourth Proportional to 51,373.79, 70,892.99 and 28,708.27

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Solution

The fourth proportional to 51,373.79, 70,892.99 and 28,708.27 is: 39,615.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,373.79 : 70,892.99 = 28,708.27 : x
  2. Step 2: Convert to fraction form
    51,373.79/70,892.99 = 28,708.27/x
  3. Step 3: Cross multiply
    51,373.79x = 70,892.99 × 28,708.27
  4. Step 4: Simplify right side
    51,373.79x = 2,035,214,992.57
  5. Step 5: Solve for x
    x = 2,035,214,992.57/51,373.79
  6. Step 6: Final answer
    x = 39,615.83

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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.