Home / 38,601.03-57,908.43-13,655.55

Finding the Fourth Proportional to 38,601.03, 57,908.43 and 13,655.55

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Solution

The fourth proportional to 38,601.03, 57,908.43 and 13,655.55 is: 20,485.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,601.03 : 57,908.43 = 13,655.55 : x
  2. Step 2: Convert to fraction form
    38,601.03/57,908.43 = 13,655.55/x
  3. Step 3: Cross multiply
    38,601.03x = 57,908.43 × 13,655.55
  4. Step 4: Simplify right side
    38,601.03x = 790,771,461.29
  5. Step 5: Solve for x
    x = 790,771,461.29/38,601.03
  6. Step 6: Final answer
    x = 20,485.76

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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.