Home / 40,653.23-60,981.89-12,953.39

Finding the Fourth Proportional to 40,653.23, 60,981.89 and 12,953.39

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Solution

The fourth proportional to 40,653.23, 60,981.89 and 12,953.39 is: 19,430.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,653.23 : 60,981.89 = 12,953.39 : x
  2. Step 2: Convert to fraction form
    40,653.23/60,981.89 = 12,953.39/x
  3. Step 3: Cross multiply
    40,653.23x = 60,981.89 × 12,953.39
  4. Step 4: Simplify right side
    40,653.23x = 789,922,204.11
  5. Step 5: Solve for x
    x = 789,922,204.11/40,653.23
  6. Step 6: Final answer
    x = 19,430.74

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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.