Home / 40,988.03-61,482.00-11,405.88

Finding the Fourth Proportional to 40,988.03, 61,482.00 and 11,405.88

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Solution

The fourth proportional to 40,988.03, 61,482.00 and 11,405.88 is: 17,108.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,988.03 : 61,482.00 = 11,405.88 : x
  2. Step 2: Convert to fraction form
    40,988.03/61,482.00 = 11,405.88/x
  3. Step 3: Cross multiply
    40,988.03x = 61,482.00 × 11,405.88
  4. Step 4: Simplify right side
    40,988.03x = 701,256,356.93
  5. Step 5: Solve for x
    x = 701,256,356.93/40,988.03
  6. Step 6: Final answer
    x = 17,108.81

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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.