Home / 45,875.57-68,813.46-12,596.09

Finding the Fourth Proportional to 45,875.57, 68,813.46 and 12,596.09

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Solution

The fourth proportional to 45,875.57, 68,813.46 and 12,596.09 is: 18,894.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,875.57 : 68,813.46 = 12,596.09 : x
  2. Step 2: Convert to fraction form
    45,875.57/68,813.46 = 12,596.09/x
  3. Step 3: Cross multiply
    45,875.57x = 68,813.46 × 12,596.09
  4. Step 4: Simplify right side
    45,875.57x = 866,780,128.32
  5. Step 5: Solve for x
    x = 866,780,128.32/45,875.57
  6. Step 6: Final answer
    x = 18,894.16

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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.