Home / 30,200.05-41,669.34-18,263.12

Finding the Fourth Proportional to 30,200.05, 41,669.34 and 18,263.12

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Solution

The fourth proportional to 30,200.05, 41,669.34 and 18,263.12 is: 25,199.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,200.05 : 41,669.34 = 18,263.12 : x
  2. Step 2: Convert to fraction form
    30,200.05/41,669.34 = 18,263.12/x
  3. Step 3: Cross multiply
    30,200.05x = 41,669.34 × 18,263.12
  4. Step 4: Simplify right side
    30,200.05x = 761,012,156.74
  5. Step 5: Solve for x
    x = 761,012,156.74/30,200.05
  6. Step 6: Final answer
    x = 25,199.04

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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.