Home / 40,117.84-60,137.04-19,020.88

Finding the Fourth Proportional to 40,117.84, 60,137.04 and 19,020.88

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Solution

The fourth proportional to 40,117.84, 60,137.04 and 19,020.88 is: 28,512.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,117.84 : 60,137.04 = 19,020.88 : x
  2. Step 2: Convert to fraction form
    40,117.84/60,137.04 = 19,020.88/x
  3. Step 3: Cross multiply
    40,117.84x = 60,137.04 × 19,020.88
  4. Step 4: Simplify right side
    40,117.84x = 1,143,859,421.40
  5. Step 5: Solve for x
    x = 1,143,859,421.40/40,117.84
  6. Step 6: Final answer
    x = 28,512.49

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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.