Home / 39,303.10-58,954.82-9,720.85

Finding the Fourth Proportional to 39,303.10, 58,954.82 and 9,720.85

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Solution

The fourth proportional to 39,303.10, 58,954.82 and 9,720.85 is: 14,581.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,303.10 : 58,954.82 = 9,720.85 : x
  2. Step 2: Convert to fraction form
    39,303.10/58,954.82 = 9,720.85/x
  3. Step 3: Cross multiply
    39,303.10x = 58,954.82 × 9,720.85
  4. Step 4: Simplify right side
    39,303.10x = 573,090,962.00
  5. Step 5: Solve for x
    x = 573,090,962.00/39,303.10
  6. Step 6: Final answer
    x = 14,581.32

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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.