Home / 30,241.68-45,346.90-13,587.48

Finding the Fourth Proportional to 30,241.68, 45,346.90 and 13,587.48

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Solution

The fourth proportional to 30,241.68, 45,346.90 and 13,587.48 is: 20,374.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,241.68 : 45,346.90 = 13,587.48 : x
  2. Step 2: Convert to fraction form
    30,241.68/45,346.90 = 13,587.48/x
  3. Step 3: Cross multiply
    30,241.68x = 45,346.90 × 13,587.48
  4. Step 4: Simplify right side
    30,241.68x = 616,150,096.81
  5. Step 5: Solve for x
    x = 616,150,096.81/30,241.68
  6. Step 6: Final answer
    x = 20,374.20

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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.