Home / 31,038.04-42,833.46-16,891.84

Finding the Fourth Proportional to 31,038.04, 42,833.46 and 16,891.84

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Solution

The fourth proportional to 31,038.04, 42,833.46 and 16,891.84 is: 23,311.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,038.04 : 42,833.46 = 16,891.84 : x
  2. Step 2: Convert to fraction form
    31,038.04/42,833.46 = 16,891.84/x
  3. Step 3: Cross multiply
    31,038.04x = 42,833.46 × 16,891.84
  4. Step 4: Simplify right side
    31,038.04x = 723,535,952.97
  5. Step 5: Solve for x
    x = 723,535,952.97/31,038.04
  6. Step 6: Final answer
    x = 23,311.26

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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.