Home / 40,575.84-60,864.43-18,389.40

Finding the Fourth Proportional to 40,575.84, 60,864.43 and 18,389.40

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Solution

The fourth proportional to 40,575.84, 60,864.43 and 18,389.40 is: 27,584.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,575.84 : 60,864.43 = 18,389.40 : x
  2. Step 2: Convert to fraction form
    40,575.84/60,864.43 = 18,389.40/x
  3. Step 3: Cross multiply
    40,575.84x = 60,864.43 × 18,389.40
  4. Step 4: Simplify right side
    40,575.84x = 1,119,260,257.10
  5. Step 5: Solve for x
    x = 1,119,260,257.10/40,575.84
  6. Step 6: Final answer
    x = 27,584.40

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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.