Home / 31,023.09-42,811.97-16,875.93

Finding the Fourth Proportional to 31,023.09, 42,811.97 and 16,875.93

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Solution

The fourth proportional to 31,023.09, 42,811.97 and 16,875.93 is: 23,288.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,023.09 : 42,811.97 = 16,875.93 : x
  2. Step 2: Convert to fraction form
    31,023.09/42,811.97 = 16,875.93/x
  3. Step 3: Cross multiply
    31,023.09x = 42,811.97 × 16,875.93
  4. Step 4: Simplify right side
    31,023.09x = 722,491,724.50
  5. Step 5: Solve for x
    x = 722,491,724.50/31,023.09
  6. Step 6: Final answer
    x = 23,288.84

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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.