Home / 31,013.04-42,797.88-16,866.48

Finding the Fourth Proportional to 31,013.04, 42,797.88 and 16,866.48

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Solution

The fourth proportional to 31,013.04, 42,797.88 and 16,866.48 is: 23,275.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,013.04 : 42,797.88 = 16,866.48 : x
  2. Step 2: Convert to fraction form
    31,013.04/42,797.88 = 16,866.48/x
  3. Step 3: Cross multiply
    31,013.04x = 42,797.88 × 16,866.48
  4. Step 4: Simplify right side
    31,013.04x = 721,849,587.06
  5. Step 5: Solve for x
    x = 721,849,587.06/31,013.04
  6. Step 6: Final answer
    x = 23,275.68

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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.