Home / 38,776.86-58,172.11-20,051.80

Finding the Fourth Proportional to 38,776.86, 58,172.11 and 20,051.80

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Solution

The fourth proportional to 38,776.86, 58,172.11 and 20,051.80 is: 30,081.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,776.86 : 58,172.11 = 20,051.80 : x
  2. Step 2: Convert to fraction form
    38,776.86/58,172.11 = 20,051.80/x
  3. Step 3: Cross multiply
    38,776.86x = 58,172.11 × 20,051.80
  4. Step 4: Simplify right side
    38,776.86x = 1,166,455,319.74
  5. Step 5: Solve for x
    x = 1,166,455,319.74/38,776.86
  6. Step 6: Final answer
    x = 30,081.22

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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.