Home / 30,200.67-41,670.20-18,263.77

Finding the Fourth Proportional to 30,200.67, 41,670.20 and 18,263.77

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Solution

The fourth proportional to 30,200.67, 41,670.20 and 18,263.77 is: 25,199.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,200.67 : 41,670.20 = 18,263.77 : x
  2. Step 2: Convert to fraction form
    30,200.67/41,670.20 = 18,263.77/x
  3. Step 3: Cross multiply
    30,200.67x = 41,670.20 × 18,263.77
  4. Step 4: Simplify right side
    30,200.67x = 761,054,890.14
  5. Step 5: Solve for x
    x = 761,054,890.14/30,200.67
  6. Step 6: Final answer
    x = 25,199.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.