Home / 38,763.77-58,145.88-13,804.79

Finding the Fourth Proportional to 38,763.77, 58,145.88 and 13,804.79

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Solution

The fourth proportional to 38,763.77, 58,145.88 and 13,804.79 is: 20,707.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,763.77 : 58,145.88 = 13,804.79 : x
  2. Step 2: Convert to fraction form
    38,763.77/58,145.88 = 13,804.79/x
  3. Step 3: Cross multiply
    38,763.77x = 58,145.88 × 13,804.79
  4. Step 4: Simplify right side
    38,763.77x = 802,691,372.04
  5. Step 5: Solve for x
    x = 802,691,372.04/38,763.77
  6. Step 6: Final answer
    x = 20,707.26

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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.