Home / 40,734.95-61,106.64-11,152.78

Finding the Fourth Proportional to 40,734.95, 61,106.64 and 11,152.78

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Solution

The fourth proportional to 40,734.95, 61,106.64 and 11,152.78 is: 16,730.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,734.95 : 61,106.64 = 11,152.78 : x
  2. Step 2: Convert to fraction form
    40,734.95/61,106.64 = 11,152.78/x
  3. Step 3: Cross multiply
    40,734.95x = 61,106.64 × 11,152.78
  4. Step 4: Simplify right side
    40,734.95x = 681,508,606.93
  5. Step 5: Solve for x
    x = 681,508,606.93/40,734.95
  6. Step 6: Final answer
    x = 16,730.32

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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.