Home / 39,081.81-58,622.20-9,499.56

Finding the Fourth Proportional to 39,081.81, 58,622.20 and 9,499.56

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Solution

The fourth proportional to 39,081.81, 58,622.20 and 9,499.56 is: 14,249.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,081.81 : 58,622.20 = 9,499.56 : x
  2. Step 2: Convert to fraction form
    39,081.81/58,622.20 = 9,499.56/x
  3. Step 3: Cross multiply
    39,081.81x = 58,622.20 × 9,499.56
  4. Step 4: Simplify right side
    39,081.81x = 556,885,106.23
  5. Step 5: Solve for x
    x = 556,885,106.23/39,081.81
  6. Step 6: Final answer
    x = 14,249.21

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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.