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Finding the Fourth Proportional to 37,640.67, 56,460.72 and 9,560.81

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Solution

The fourth proportional to 37,640.67, 56,460.72 and 9,560.81 is: 14,341.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,640.67 : 56,460.72 = 9,560.81 : x
  2. Step 2: Convert to fraction form
    37,640.67/56,460.72 = 9,560.81/x
  3. Step 3: Cross multiply
    37,640.67x = 56,460.72 × 9,560.81
  4. Step 4: Simplify right side
    37,640.67x = 539,809,934.08
  5. Step 5: Solve for x
    x = 539,809,934.08/37,640.67
  6. Step 6: Final answer
    x = 14,341.14

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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.