Home / 31,032.43-42,823.29-16,884.97

Finding the Fourth Proportional to 31,032.43, 42,823.29 and 16,884.97

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Solution

The fourth proportional to 31,032.43, 42,823.29 and 16,884.97 is: 23,300.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,032.43 : 42,823.29 = 16,884.97 : x
  2. Step 2: Convert to fraction form
    31,032.43/42,823.29 = 16,884.97/x
  3. Step 3: Cross multiply
    31,032.43x = 42,823.29 × 16,884.97
  4. Step 4: Simplify right side
    31,032.43x = 723,069,966.95
  5. Step 5: Solve for x
    x = 723,069,966.95/31,032.43
  6. Step 6: Final answer
    x = 23,300.46

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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.