Home / 40,988.88-61,477.20-11,403.63

Finding the Fourth Proportional to 40,988.88, 61,477.20 and 11,403.63

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Solution

The fourth proportional to 40,988.88, 61,477.20 and 11,403.63 is: 17,103.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,988.88 : 61,477.20 = 11,403.63 : x
  2. Step 2: Convert to fraction form
    40,988.88/61,477.20 = 11,403.63/x
  3. Step 3: Cross multiply
    40,988.88x = 61,477.20 × 11,403.63
  4. Step 4: Simplify right side
    40,988.88x = 701,063,242.24
  5. Step 5: Solve for x
    x = 701,063,242.24/40,988.88
  6. Step 6: Final answer
    x = 17,103.74

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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.