Home / 38,999.86-58,493.58-10,916.89

Finding the Fourth Proportional to 38,999.86, 58,493.58 and 10,916.89

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Solution

The fourth proportional to 38,999.86, 58,493.58 and 10,916.89 is: 16,373.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,999.86 : 58,493.58 = 10,916.89 : x
  2. Step 2: Convert to fraction form
    38,999.86/58,493.58 = 10,916.89/x
  3. Step 3: Cross multiply
    38,999.86x = 58,493.58 × 10,916.89
  4. Step 4: Simplify right side
    38,999.86x = 638,567,978.57
  5. Step 5: Solve for x
    x = 638,567,978.57/38,999.86
  6. Step 6: Final answer
    x = 16,373.60

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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.