Home / 52,856.39-72,941.64-28,982.45

Finding the Fourth Proportional to 52,856.39, 72,941.64 and 28,982.45

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Solution

The fourth proportional to 52,856.39, 72,941.64 and 28,982.45 is: 39,995.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,856.39 : 72,941.64 = 28,982.45 : x
  2. Step 2: Convert to fraction form
    52,856.39/72,941.64 = 28,982.45/x
  3. Step 3: Cross multiply
    52,856.39x = 72,941.64 × 28,982.45
  4. Step 4: Simplify right side
    52,856.39x = 2,114,027,434.22
  5. Step 5: Solve for x
    x = 2,114,027,434.22/52,856.39
  6. Step 6: Final answer
    x = 39,995.68

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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.