Home / 47,586.79-65,640.00-30,613.14

Finding the Fourth Proportional to 47,586.79, 65,640.00 and 30,613.14

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Solution

The fourth proportional to 47,586.79, 65,640.00 and 30,613.14 is: 42,226.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,586.79 : 65,640.00 = 30,613.14 : x
  2. Step 2: Convert to fraction form
    47,586.79/65,640.00 = 30,613.14/x
  3. Step 3: Cross multiply
    47,586.79x = 65,640.00 × 30,613.14
  4. Step 4: Simplify right side
    47,586.79x = 2,009,446,624.40
  5. Step 5: Solve for x
    x = 2,009,446,624.40/47,586.79
  6. Step 6: Final answer
    x = 42,226.98

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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.