Home / 30,123.41-45,200.61-14,346.34

Finding the Fourth Proportional to 30,123.41, 45,200.61 and 14,346.34

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Solution

The fourth proportional to 30,123.41, 45,200.61 and 14,346.34 is: 21,526.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,123.41 : 45,200.61 = 14,346.34 : x
  2. Step 2: Convert to fraction form
    30,123.41/45,200.61 = 14,346.34/x
  3. Step 3: Cross multiply
    30,123.41x = 45,200.61 × 14,346.34
  4. Step 4: Simplify right side
    30,123.41x = 648,463,093.26
  5. Step 5: Solve for x
    x = 648,463,093.26/30,123.41
  6. Step 6: Final answer
    x = 21,526.88

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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.