Home / 31,030.57-42,823.10-16,884.33

Finding the Fourth Proportional to 31,030.57, 42,823.10 and 16,884.33

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Solution

The fourth proportional to 31,030.57, 42,823.10 and 16,884.33 is: 23,300.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,030.57 : 42,823.10 = 16,884.33 : x
  2. Step 2: Convert to fraction form
    31,030.57/42,823.10 = 16,884.33/x
  3. Step 3: Cross multiply
    31,030.57x = 42,823.10 × 16,884.33
  4. Step 4: Simplify right side
    31,030.57x = 723,039,053.49
  5. Step 5: Solve for x
    x = 723,039,053.49/31,030.57
  6. Step 6: Final answer
    x = 23,300.86

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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.