Home / 49,561.60-74,317.80-17,970.40

Finding the Fourth Proportional to 49,561.60, 74,317.80 and 17,970.40

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Solution

The fourth proportional to 49,561.60, 74,317.80 and 17,970.40 is: 26,946.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,561.60 : 74,317.80 = 17,970.40 : x
  2. Step 2: Convert to fraction form
    49,561.60/74,317.80 = 17,970.40/x
  3. Step 3: Cross multiply
    49,561.60x = 74,317.80 × 17,970.40
  4. Step 4: Simplify right side
    49,561.60x = 1,335,520,593.12
  5. Step 5: Solve for x
    x = 1,335,520,593.12/49,561.60
  6. Step 6: Final answer
    x = 26,946.68

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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.