Home / 62,408.07-93,612.09-20,855.07

Finding the Fourth Proportional to 62,408.07, 93,612.09 and 20,855.07

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Solution

The fourth proportional to 62,408.07, 93,612.09 and 20,855.07 is: 31,282.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,408.07 : 93,612.09 = 20,855.07 : x
  2. Step 2: Convert to fraction form
    62,408.07/93,612.09 = 20,855.07/x
  3. Step 3: Cross multiply
    62,408.07x = 93,612.09 × 20,855.07
  4. Step 4: Simplify right side
    62,408.07x = 1,952,286,689.80
  5. Step 5: Solve for x
    x = 1,952,286,689.80/62,408.07
  6. Step 6: Final answer
    x = 31,282.60

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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.