Home / 34,158.60-47,140.04-19,817.35

Finding the Fourth Proportional to 34,158.60, 47,140.04 and 19,817.35

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Solution

The fourth proportional to 34,158.60, 47,140.04 and 19,817.35 is: 27,348.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,158.60 : 47,140.04 = 19,817.35 : x
  2. Step 2: Convert to fraction form
    34,158.60/47,140.04 = 19,817.35/x
  3. Step 3: Cross multiply
    34,158.60x = 47,140.04 × 19,817.35
  4. Step 4: Simplify right side
    34,158.60x = 934,190,671.69
  5. Step 5: Solve for x
    x = 934,190,671.69/34,158.60
  6. Step 6: Final answer
    x = 27,348.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.