Home / 31,080.27-46,631.34-13,547.82

Finding the Fourth Proportional to 31,080.27, 46,631.34 and 13,547.82

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Solution

The fourth proportional to 31,080.27, 46,631.34 and 13,547.82 is: 20,326.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,080.27 : 46,631.34 = 13,547.82 : x
  2. Step 2: Convert to fraction form
    31,080.27/46,631.34 = 13,547.82/x
  3. Step 3: Cross multiply
    31,080.27x = 46,631.34 × 13,547.82
  4. Step 4: Simplify right side
    31,080.27x = 631,753,000.68
  5. Step 5: Solve for x
    x = 631,753,000.68/31,080.27
  6. Step 6: Final answer
    x = 20,326.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.