Home / 52,620.68-72,615.32-28,747.48

Finding the Fourth Proportional to 52,620.68, 72,615.32 and 28,747.48

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Solution

The fourth proportional to 52,620.68, 72,615.32 and 28,747.48 is: 39,670.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,620.68 : 72,615.32 = 28,747.48 : x
  2. Step 2: Convert to fraction form
    52,620.68/72,615.32 = 28,747.48/x
  3. Step 3: Cross multiply
    52,620.68x = 72,615.32 × 28,747.48
  4. Step 4: Simplify right side
    52,620.68x = 2,087,507,459.39
  5. Step 5: Solve for x
    x = 2,087,507,459.39/52,620.68
  6. Step 6: Final answer
    x = 39,670.86

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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.