Home / 31,056.80-46,585.60-8,870.16

Finding the Fourth Proportional to 31,056.80, 46,585.60 and 8,870.16

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Solution

The fourth proportional to 31,056.80, 46,585.60 and 8,870.16 is: 13,305.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,056.80 : 46,585.60 = 8,870.16 : x
  2. Step 2: Convert to fraction form
    31,056.80/46,585.60 = 8,870.16/x
  3. Step 3: Cross multiply
    31,056.80x = 46,585.60 × 8,870.16
  4. Step 4: Simplify right side
    31,056.80x = 413,221,725.70
  5. Step 5: Solve for x
    x = 413,221,725.70/31,056.80
  6. Step 6: Final answer
    x = 13,305.35

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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.