Home / 31,035.44-42,829.11-16,888.38

Finding the Fourth Proportional to 31,035.44, 42,829.11 and 16,888.38

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Solution

The fourth proportional to 31,035.44, 42,829.11 and 16,888.38 is: 23,306.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,035.44 : 42,829.11 = 16,888.38 : x
  2. Step 2: Convert to fraction form
    31,035.44/42,829.11 = 16,888.38/x
  3. Step 3: Cross multiply
    31,035.44x = 42,829.11 × 16,888.38
  4. Step 4: Simplify right side
    31,035.44x = 723,314,284.74
  5. Step 5: Solve for x
    x = 723,314,284.74/31,035.44
  6. Step 6: Final answer
    x = 23,306.07

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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.