Home / 39,000.86-58,495.08-10,917.89

Finding the Fourth Proportional to 39,000.86, 58,495.08 and 10,917.89

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Solution

The fourth proportional to 39,000.86, 58,495.08 and 10,917.89 is: 16,375.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,000.86 : 58,495.08 = 10,917.89 : x
  2. Step 2: Convert to fraction form
    39,000.86/58,495.08 = 10,917.89/x
  3. Step 3: Cross multiply
    39,000.86x = 58,495.08 × 10,917.89
  4. Step 4: Simplify right side
    39,000.86x = 638,642,848.98
  5. Step 5: Solve for x
    x = 638,642,848.98/39,000.86
  6. Step 6: Final answer
    x = 16,375.10

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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.