Home / 40,465.45-60,695.93-12,385.48

Finding the Fourth Proportional to 40,465.45, 60,695.93 and 12,385.48

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Solution

The fourth proportional to 40,465.45, 60,695.93 and 12,385.48 is: 18,577.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,465.45 : 60,695.93 = 12,385.48 : x
  2. Step 2: Convert to fraction form
    40,465.45/60,695.93 = 12,385.48/x
  3. Step 3: Cross multiply
    40,465.45x = 60,695.93 × 12,385.48
  4. Step 4: Simplify right side
    40,465.45x = 751,748,013.43
  5. Step 5: Solve for x
    x = 751,748,013.43/40,465.45
  6. Step 6: Final answer
    x = 18,577.53

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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.