Home / 39,287.18-58,931.32-11,207.24

Finding the Fourth Proportional to 39,287.18, 58,931.32 and 11,207.24

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Solution

The fourth proportional to 39,287.18, 58,931.32 and 11,207.24 is: 16,811.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,287.18 : 58,931.32 = 11,207.24 : x
  2. Step 2: Convert to fraction form
    39,287.18/58,931.32 = 11,207.24/x
  3. Step 3: Cross multiply
    39,287.18x = 58,931.32 × 11,207.24
  4. Step 4: Simplify right side
    39,287.18x = 660,457,124.08
  5. Step 5: Solve for x
    x = 660,457,124.08/39,287.18
  6. Step 6: Final answer
    x = 16,811.01

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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.