Home / 44,546.50-66,830.08-12,957.30

Finding the Fourth Proportional to 44,546.50, 66,830.08 and 12,957.30

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Solution

The fourth proportional to 44,546.50, 66,830.08 and 12,957.30 is: 19,438.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,546.50 : 66,830.08 = 12,957.30 : x
  2. Step 2: Convert to fraction form
    44,546.50/66,830.08 = 12,957.30/x
  3. Step 3: Cross multiply
    44,546.50x = 66,830.08 × 12,957.30
  4. Step 4: Simplify right side
    44,546.50x = 865,937,395.58
  5. Step 5: Solve for x
    x = 865,937,395.58/44,546.50
  6. Step 6: Final answer
    x = 19,438.95

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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.