Home / 31,007.58-46,510.14-13,230.90

Finding the Fourth Proportional to 31,007.58, 46,510.14 and 13,230.90

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Solution

The fourth proportional to 31,007.58, 46,510.14 and 13,230.90 is: 19,845.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,007.58 : 46,510.14 = 13,230.90 : x
  2. Step 2: Convert to fraction form
    31,007.58/46,510.14 = 13,230.90/x
  3. Step 3: Cross multiply
    31,007.58x = 46,510.14 × 13,230.90
  4. Step 4: Simplify right side
    31,007.58x = 615,371,011.33
  5. Step 5: Solve for x
    x = 615,371,011.33/31,007.58
  6. Step 6: Final answer
    x = 19,845.83

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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.