Home / 23,043.13-31,799.55-12,971.66

Finding the Fourth Proportional to 23,043.13, 31,799.55 and 12,971.66

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Solution

The fourth proportional to 23,043.13, 31,799.55 and 12,971.66 is: 17,900.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,043.13 : 31,799.55 = 12,971.66 : x
  2. Step 2: Convert to fraction form
    23,043.13/31,799.55 = 12,971.66/x
  3. Step 3: Cross multiply
    23,043.13x = 31,799.55 × 12,971.66
  4. Step 4: Simplify right side
    23,043.13x = 412,492,830.39
  5. Step 5: Solve for x
    x = 412,492,830.39/23,043.13
  6. Step 6: Final answer
    x = 17,900.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.