Home / 49,636.13-74,454.19-12,700.13

Finding the Fourth Proportional to 49,636.13, 74,454.19 and 12,700.13

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Solution

The fourth proportional to 49,636.13, 74,454.19 and 12,700.13 is: 19,050.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,636.13 : 74,454.19 = 12,700.13 : x
  2. Step 2: Convert to fraction form
    49,636.13/74,454.19 = 12,700.13/x
  3. Step 3: Cross multiply
    49,636.13x = 74,454.19 × 12,700.13
  4. Step 4: Simplify right side
    49,636.13x = 945,577,488.02
  5. Step 5: Solve for x
    x = 945,577,488.02/49,636.13
  6. Step 6: Final answer
    x = 19,050.19

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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.