Home / 38,985.66-58,484.25-11,280.06

Finding the Fourth Proportional to 38,985.66, 58,484.25 and 11,280.06

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Solution

The fourth proportional to 38,985.66, 58,484.25 and 11,280.06 is: 16,921.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,985.66 : 58,484.25 = 11,280.06 : x
  2. Step 2: Convert to fraction form
    38,985.66/58,484.25 = 11,280.06/x
  3. Step 3: Cross multiply
    38,985.66x = 58,484.25 × 11,280.06
  4. Step 4: Simplify right side
    38,985.66x = 659,705,849.06
  5. Step 5: Solve for x
    x = 659,705,849.06/38,985.66
  6. Step 6: Final answer
    x = 16,921.76

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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.