Home / 40,768.08-61,152.18-11,184.72

Finding the Fourth Proportional to 40,768.08, 61,152.18 and 11,184.72

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Solution

The fourth proportional to 40,768.08, 61,152.18 and 11,184.72 is: 16,777.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,768.08 : 61,152.18 = 11,184.72 : x
  2. Step 2: Convert to fraction form
    40,768.08/61,152.18 = 11,184.72/x
  3. Step 3: Cross multiply
    40,768.08x = 61,152.18 × 11,184.72
  4. Step 4: Simplify right side
    40,768.08x = 683,970,010.69
  5. Step 5: Solve for x
    x = 683,970,010.69/40,768.08
  6. Step 6: Final answer
    x = 16,777.10

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1.5x scale

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.