Home / 40,066.36-60,108.12-11,988.58

Finding the Fourth Proportional to 40,066.36, 60,108.12 and 11,988.58

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Solution

The fourth proportional to 40,066.36, 60,108.12 and 11,988.58 is: 17,985.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,066.36 : 60,108.12 = 11,988.58 : x
  2. Step 2: Convert to fraction form
    40,066.36/60,108.12 = 11,988.58/x
  3. Step 3: Cross multiply
    40,066.36x = 60,108.12 × 11,988.58
  4. Step 4: Simplify right side
    40,066.36x = 720,611,005.27
  5. Step 5: Solve for x
    x = 720,611,005.27/40,066.36
  6. Step 6: Final answer
    x = 17,985.44

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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.