Home / 52,618.96-78,916.80-15,170.72

Finding the Fourth Proportional to 52,618.96, 78,916.80 and 15,170.72

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Solution

The fourth proportional to 52,618.96, 78,916.80 and 15,170.72 is: 22,752.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,618.96 : 78,916.80 = 15,170.72 : x
  2. Step 2: Convert to fraction form
    52,618.96/78,916.80 = 15,170.72/x
  3. Step 3: Cross multiply
    52,618.96x = 78,916.80 × 15,170.72
  4. Step 4: Simplify right side
    52,618.96x = 1,197,224,676.10
  5. Step 5: Solve for x
    x = 1,197,224,676.10/52,618.96
  6. Step 6: Final answer
    x = 22,752.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.