Home / 40,462.81-60,703.10-12,385.03

Finding the Fourth Proportional to 40,462.81, 60,703.10 and 12,385.03

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Solution

The fourth proportional to 40,462.81, 60,703.10 and 12,385.03 is: 18,580.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,462.81 : 60,703.10 = 12,385.03 : x
  2. Step 2: Convert to fraction form
    40,462.81/60,703.10 = 12,385.03/x
  3. Step 3: Cross multiply
    40,462.81x = 60,703.10 × 12,385.03
  4. Step 4: Simplify right side
    40,462.81x = 751,809,524.19
  5. Step 5: Solve for x
    x = 751,809,524.19/40,462.81
  6. Step 6: Final answer
    x = 18,580.26

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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.