Home / 31,103.04-46,660.23-12,377.10

Finding the Fourth Proportional to 31,103.04, 46,660.23 and 12,377.10

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Solution

The fourth proportional to 31,103.04, 46,660.23 and 12,377.10 is: 18,567.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,103.04 : 46,660.23 = 12,377.10 : x
  2. Step 2: Convert to fraction form
    31,103.04/46,660.23 = 12,377.10/x
  3. Step 3: Cross multiply
    31,103.04x = 46,660.23 × 12,377.10
  4. Step 4: Simplify right side
    31,103.04x = 577,518,332.73
  5. Step 5: Solve for x
    x = 577,518,332.73/31,103.04
  6. Step 6: Final answer
    x = 18,567.91

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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.