Home / 57,548.17-79,428.73-38,674.36

Finding the Fourth Proportional to 57,548.17, 79,428.73 and 38,674.36

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Solution

The fourth proportional to 57,548.17, 79,428.73 and 38,674.36 is: 53,378.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,548.17 : 79,428.73 = 38,674.36 : x
  2. Step 2: Convert to fraction form
    57,548.17/79,428.73 = 38,674.36/x
  3. Step 3: Cross multiply
    57,548.17x = 79,428.73 × 38,674.36
  4. Step 4: Simplify right side
    57,548.17x = 3,071,855,445.99
  5. Step 5: Solve for x
    x = 3,071,855,445.99/57,548.17
  6. Step 6: Final answer
    x = 53,378.85

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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.