Home / 31,032.14-42,823.08-16,884.99

Finding the Fourth Proportional to 31,032.14, 42,823.08 and 16,884.99

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Solution

The fourth proportional to 31,032.14, 42,823.08 and 16,884.99 is: 23,300.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,032.14 : 42,823.08 = 16,884.99 : x
  2. Step 2: Convert to fraction form
    31,032.14/42,823.08 = 16,884.99/x
  3. Step 3: Cross multiply
    31,032.14x = 42,823.08 × 16,884.99
  4. Step 4: Simplify right side
    31,032.14x = 723,067,277.57
  5. Step 5: Solve for x
    x = 723,067,277.57/31,032.14
  6. Step 6: Final answer
    x = 23,300.60

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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.