Home / 49,594.13-74,391.20-12,658.13

Finding the Fourth Proportional to 49,594.13, 74,391.20 and 12,658.13

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Solution

The fourth proportional to 49,594.13, 74,391.20 and 12,658.13 is: 18,987.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,594.13 : 74,391.20 = 12,658.13 : x
  2. Step 2: Convert to fraction form
    49,594.13/74,391.20 = 12,658.13/x
  3. Step 3: Cross multiply
    49,594.13x = 74,391.20 × 12,658.13
  4. Step 4: Simplify right side
    49,594.13x = 941,653,045.21
  5. Step 5: Solve for x
    x = 941,653,045.21/49,594.13
  6. Step 6: Final answer
    x = 18,987.19

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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.