Home / 40,707.70-61,055.18-11,127.84

Finding the Fourth Proportional to 40,707.70, 61,055.18 and 11,127.84

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Solution

The fourth proportional to 40,707.70, 61,055.18 and 11,127.84 is: 16,690.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,707.70 : 61,055.18 = 11,127.84 : x
  2. Step 2: Convert to fraction form
    40,707.70/61,055.18 = 11,127.84/x
  3. Step 3: Cross multiply
    40,707.70x = 61,055.18 × 11,127.84
  4. Step 4: Simplify right side
    40,707.70x = 679,412,274.21
  5. Step 5: Solve for x
    x = 679,412,274.21/40,707.70
  6. Step 6: Final answer
    x = 16,690.02

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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.