Home / 52,845.35-72,926.51-28,971.50

Finding the Fourth Proportional to 52,845.35, 72,926.51 and 28,971.50

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Solution

The fourth proportional to 52,845.35, 72,926.51 and 28,971.50 is: 39,980.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,845.35 : 72,926.51 = 28,971.50 : x
  2. Step 2: Convert to fraction form
    52,845.35/72,926.51 = 28,971.50/x
  3. Step 3: Cross multiply
    52,845.35x = 72,926.51 × 28,971.50
  4. Step 4: Simplify right side
    52,845.35x = 2,112,789,874.97
  5. Step 5: Solve for x
    x = 2,112,789,874.97/52,845.35
  6. Step 6: Final answer
    x = 39,980.62

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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.