Home / 38,999.34-58,495.37-10,921.91

Finding the Fourth Proportional to 38,999.34, 58,495.37 and 10,921.91

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Solution

The fourth proportional to 38,999.34, 58,495.37 and 10,921.91 is: 16,381.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,999.34 : 58,495.37 = 10,921.91 : x
  2. Step 2: Convert to fraction form
    38,999.34/58,495.37 = 10,921.91/x
  3. Step 3: Cross multiply
    38,999.34x = 58,495.37 × 10,921.91
  4. Step 4: Simplify right side
    38,999.34x = 638,880,819.47
  5. Step 5: Solve for x
    x = 638,880,819.47/38,999.34
  6. Step 6: Final answer
    x = 16,381.84

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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.