Home / 57,548.30-79,428.91-38,674.49

Finding the Fourth Proportional to 57,548.30, 79,428.91 and 38,674.49

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Solution

The fourth proportional to 57,548.30, 79,428.91 and 38,674.49 is: 53,379.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,548.30 : 79,428.91 = 38,674.49 : x
  2. Step 2: Convert to fraction form
    57,548.30/79,428.91 = 38,674.49/x
  3. Step 3: Cross multiply
    57,548.30x = 79,428.91 × 38,674.49
  4. Step 4: Simplify right side
    57,548.30x = 3,071,872,585.51
  5. Step 5: Solve for x
    x = 3,071,872,585.51/57,548.30
  6. Step 6: Final answer
    x = 53,379.03

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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.