Home / 58,513.64-80,757.87-38,428.79

Finding the Fourth Proportional to 58,513.64, 80,757.87 and 38,428.79

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Solution

The fourth proportional to 58,513.64, 80,757.87 and 38,428.79 is: 53,037.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,513.64 : 80,757.87 = 38,428.79 : x
  2. Step 2: Convert to fraction form
    58,513.64/80,757.87 = 38,428.79/x
  3. Step 3: Cross multiply
    58,513.64x = 80,757.87 × 38,428.79
  4. Step 4: Simplify right side
    58,513.64x = 3,103,427,227.08
  5. Step 5: Solve for x
    x = 3,103,427,227.08/58,513.64
  6. Step 6: Final answer
    x = 53,037.67

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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.