Home / 37,876.90-52,270.54-20,881.78

Finding the Fourth Proportional to 37,876.90, 52,270.54 and 20,881.78

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Solution

The fourth proportional to 37,876.90, 52,270.54 and 20,881.78 is: 28,817.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,876.90 : 52,270.54 = 20,881.78 : x
  2. Step 2: Convert to fraction form
    37,876.90/52,270.54 = 20,881.78/x
  3. Step 3: Cross multiply
    37,876.90x = 52,270.54 × 20,881.78
  4. Step 4: Simplify right side
    37,876.90x = 1,091,501,916.76
  5. Step 5: Solve for x
    x = 1,091,501,916.76/37,876.90
  6. Step 6: Final answer
    x = 28,817.09

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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.