Home / 52,749.09-72,793.48-28,875.33

Finding the Fourth Proportional to 52,749.09, 72,793.48 and 28,875.33

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Solution

The fourth proportional to 52,749.09, 72,793.48 and 28,875.33 is: 39,847.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,749.09 : 72,793.48 = 28,875.33 : x
  2. Step 2: Convert to fraction form
    52,749.09/72,793.48 = 28,875.33/x
  3. Step 3: Cross multiply
    52,749.09x = 72,793.48 × 28,875.33
  4. Step 4: Simplify right side
    52,749.09x = 2,101,935,756.85
  5. Step 5: Solve for x
    x = 2,101,935,756.85/52,749.09
  6. Step 6: Final answer
    x = 39,847.81

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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.