Home / 38,765.90-58,150.68-13,806.16

Finding the Fourth Proportional to 38,765.90, 58,150.68 and 13,806.16

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Solution

The fourth proportional to 38,765.90, 58,150.68 and 13,806.16 is: 20,709.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,765.90 : 58,150.68 = 13,806.16 : x
  2. Step 2: Convert to fraction form
    38,765.90/58,150.68 = 13,806.16/x
  3. Step 3: Cross multiply
    38,765.90x = 58,150.68 × 13,806.16
  4. Step 4: Simplify right side
    38,765.90x = 802,837,592.19
  5. Step 5: Solve for x
    x = 802,837,592.19/38,765.90
  6. Step 6: Final answer
    x = 20,709.89

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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.