Home / 38,507.02-57,760.11-12,211.06

Finding the Fourth Proportional to 38,507.02, 57,760.11 and 12,211.06

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Solution

The fourth proportional to 38,507.02, 57,760.11 and 12,211.06 is: 18,316.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,507.02 : 57,760.11 = 12,211.06 : x
  2. Step 2: Convert to fraction form
    38,507.02/57,760.11 = 12,211.06/x
  3. Step 3: Cross multiply
    38,507.02x = 57,760.11 × 12,211.06
  4. Step 4: Simplify right side
    38,507.02x = 705,312,168.82
  5. Step 5: Solve for x
    x = 705,312,168.82/38,507.02
  6. Step 6: Final answer
    x = 18,316.46

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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.